immature

The word “immature” has 3 syllables: im-ma-ture

It's pronounced as /ˌɪməˈtjʊər/


What is synonym and antonym for immature?

In the thesaurus, “immature” has 73 synonyms and 43 antonyms.

Here are synonyms and antonyms for immature along with examples of usage in sentences.


Synonyms for immature

  • adolescent
  • baby
  • babyish
  • blooming
  • blossoming
  • boyish
  • brattish
  • bratty
  • burgeoning
  • callow
  • childish
  • childlike
  • crude
  • embryonic
  • emergent
  • ephebic
  • flourishing
  • flowering
  • girlie
  • girlish
  • girly
  • green
  • half-grown
  • imperfect
  • inexperienced
  • infantile
  • infantilized
  • infantine
  • ingenuous
  • innocent
  • jejune
  • juvenescent
  • juvenile
  • kid
  • kiddish
  • kidstuff
  • maidenly
  • minor
  • naive
  • premature
  • preteen
  • puerile
  • raw
  • simple
  • simplistic
  • sophomoric
  • subadult
  • teenage
  • teenaged
  • tender
  • tenderfoot
  • underage
  • underdeveloped
  • undergrown
  • undeveloped
  • unfinished
  • unfledged
  • unformed
  • unknowing
  • unripe
  • unripened
  • unseasonable
  • unseasoned
  • unsophisticated
  • untimely
  • untrained
  • untried
  • virginal
  • wet behind ears
  • wet behind the ears
  • young
  • youngish
  • youthful

Antonyms for immature

  • adult
  • advanced
  • aged
  • ageing
  • aging
  • ancient
  • anile
  • cosmopolitan
  • decrepit
  • developed
  • doddering
  • elderly
  • experienced
  • full-blown
  • full-fledged
  • geriatric
  • golden
  • grown
  • grown-up
  • knowing
  • long-lived
  • mature
  • matured
  • mellow
  • middle-aged
  • old
  • older
  • oldish
  • over-the-hill
  • precocious
  • ripe
  • ripened
  • savvy
  • senescent
  • senile
  • senior
  • smart
  • sophisticated
  • spavined
  • tottery
  • unchildlike
  • worldly
  • worldly-wise

Meanings of immature

  • noun
    1. An immature member of a species.
  • adjective
    1. Occurring before the proper time; untimely, premature (especially of death).
    2. Not fully formed or developed; not grown.
    3. Childish in behavior; juvenile.

Example Sentences

  • His immature behavior during the meeting was unprofessional and distracting.
  • The immature plant needs more time to grow before it can produce flowers.
  • She realized that her initial reactions were immature and that she needed to approach the situation more thoughtfully.
  • The immature attitude of the young team members often led to conflicts during practice.
  • It's important for teenagers to learn how to balance immature impulses with responsible decision-making.

On this page you'll find 116 synonyms, antonyms, or another words to immature, such as: adolescent, adult, advanced, aged, ageing, aging, ancient.

Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.

Related Words

rash

  • abrupt
  • abundance
  • adventurous
  • army
  • audacious
  • barrel
  • basketful
  • bevy
  • boatload
  • bold
  • bonanza
  • brash
  • breakneck
  • breakout
  • breathtaking
  • bucket
  • bunch
  • bundle
  • bushel
  • carload
  • chunk
  • cram
  • crowd
  • crush
  • cursory
  • daring
  • deal
  • deluge
  • determined
  • devil-may-care
  • dozen
  • drive-by
  • drove
  • embarrassment
  • epidemic
  • eruption
  • excess
  • fiery
  • fistful
  • flock
  • flood
  • flying
  • foolhardy
  • frenzied
  • furious
  • gadarene
  • gazillion
  • gobs
  • good deal
  • harebrained
  • hasty
  • headlong
  • headstrong
  • heady
  • heap
  • heedless
  • helter-skelter
  • herd
  • hives
  • horde
  • horseback
  • host
  • hotheaded
  • hundred
  • hurried
  • ill-advised
  • ill-considered
  • immature
  • impatient
  • impetuous
  • impromptu
  • imprudent
  • impulsive
  • incautious
  • indiscreet
  • injudicious
  • insuppressible
  • irrational
  • jillion
  • jumping to conclusions
  • kazillion
  • lashings
  • lashins
  • legion
  • loads
  • lot
  • madcap
  • makeshift
  • mass
  • mess
  • million
  • mob
  • mountain
  • much
  • multiplicity
  • multitude
  • myriad
  • off-the-cuff
  • offhand
  • offhanded
  • oodles
  • overabundance
  • overage
  • overflow
  • overhasty
  • overkill
  • overmuch
  • oversupply
  • pack
  • pandemic
  • passel
  • passionate
  • peck
  • pell-mell
  • pile
  • plague
  • plateful
  • plenitude
  • plentitude
  • plenty
  • plethora
  • pot
  • potful
  • precipitant
  • precipitate
  • precipitous
  • premature
  • press
  • profusion
  • quantity
  • quick
  • raft
  • rapid
  • reams
  • reckless
  • redundancy
  • rush
  • rushed
  • scads
  • score
  • sea
  • series
  • sheaf
  • shipload
  • sight
  • slapdash
  • slew
  • snap
  • spate
  • speedy
  • spontaneous
  • spur-of-the-moment
  • stack
  • store
  • succession
  • sudden
  • superabundance
  • superfluity
  • surfeit
  • surplus
  • swarm
  • swift
  • thoughtless
  • thousands
  • throng
  • ton
  • trillion
  • truckload
  • unadvised
  • unguarded
  • unthinking
  • unwary
  • venturesome
  • venturous
  • volume
  • wad
  • wave
  • wealth
  • wild
  • yard
  • zillion

unconsidered

  • ad hoc
  • ad-lib
  • adventurous
  • audacious
  • automatic
  • bold
  • brash
  • casual
  • cursive
  • daring
  • determined
  • devil-may-care
  • down and dirty
  • extemporaneous
  • extemporary
  • extempore
  • fiery
  • foolhardy
  • frenzied
  • furious
  • half-baked
  • half-cocked
  • harebrained
  • harum-scarum
  • hasty
  • headlong
  • headstrong
  • heedless
  • hotheaded
  • ill-advised
  • ill-considered
  • immature
  • impetuous
  • impromptu
  • improvident
  • improvisational
  • improvised
  • imprudent
  • impulsive
  • incautious
  • indiscreet
  • informal
  • injudicious
  • instinctive
  • insuppressible
  • involuntary
  • irrational
  • jumping to conclusions
  • madcap
  • off-the-cuff
  • offhand
  • offhanded
  • overhasty
  • passionate
  • precipitant
  • precipitate
  • premature
  • reckless
  • slapdash
  • snap
  • spontaneous
  • spur-of-the-moment
  • temerarious
  • thoughtless
  • unauthorized
  • unguarded
  • unplanned
  • unpremeditated
  • unprepared
  • unrehearsed
  • unscripted
  • unstudied
  • unthinking
  • unwary
  • venturesome
  • venturous
  • wild

bad

  • abhorrent
  • abominable
  • abominably
  • abomination
  • abysmal
  • abysmally
  • achy
  • acrid
  • acrimonious
  • acute
  • addled
  • admirable
  • adverse
  • afflicted
  • aggravating
  • aggrieved
  • agonized
  • ailing
  • airsick
  • amiss
  • anathema
  • anguished
  • annoying
  • appalling
  • arch
  • atrocious
  • atrociously
  • atrociousness
  • atrocity
  • awe-inspiring
  • awful
  • awfully
  • babyish
  • badass
  • badly
  • badness
  • baleful
  • balefulness
  • balky
  • baneful
  • banned
  • bargain-basement
  • barred
  • base
  • bastard
  • beastly
  • below par
  • bilious
  • bitchy
  • bitter
  • black
  • blamable
  • blameworthy
  • bleak
  • blemished
  • blue
  • broken
  • brokenhearted
  • brummagem
  • brutal
  • bum
  • bush
  • bush-league
  • cancer
  • canker
  • careless
  • carsick
  • cast down
  • catty
  • caustic
  • censurable
  • challenged
  • cheap
  • cheapjack
  • cheeky
  • cheerless
  • cheesy
  • childish
  • coarse
  • comfortless
  • common
  • condemned
  • conscience-stricken
  • contagious
  • contaminated
  • contemptible
  • contemptuous
  • contrary
  • contrite
  • cool
  • corroded
  • corrupt
  • corrupted
  • corruption
  • counterfeit
  • crappy
  • crestfallen
  • criminal
  • crippled
  • critical
  • cruddy
  • cruel
  • crumbled
  • crumby
  • crummy
  • curdled
  • cursed
  • curst
  • cussed
  • cut-rate
  • damaged
  • damaging
  • damnable
  • damnably
  • dangerous
  • dark
  • darkening
  • darkness
  • deadly
  • debased
  • debauched
  • debauchery
  • debilitated
  • decay
  • decayed
  • decaying
  • decomposed
  • decomposing
  • decrepit
  • defaced
  • defective
  • defiant
  • deficient
  • deficiently
  • defiled
  • defiling
  • degeneracy
  • degenerate
  • degenerated
  • dejected
  • deleterious
  • delinquent
  • deplorable
  • deplorably
  • depraved
  • depravedness
  • depravity
  • deprecating
  • depressed
  • depressing
  • derogatory
  • desolate
  • despairing
  • despicable
  • despiteful
  • despondent
  • destructive
  • deteriorated
  • detestable
  • detestably
  • detrimental
  • devastating
  • devilishness
  • devilry
  • deviltry
  • devious
  • diabolism
  • difficult
  • dirty
  • disabled
  • disadvantageous
  • disagreeable
  • disallowed
  • disappointed
  • disastrous
  • disastrously
  • disconsolate
  • discouraged
  • discouraging
  • disdainful
  • diseased
  • disfigured
  • disgraceful
  • disgusting
  • disheartened
  • dishonest
  • dishonorable
  • disintegrated
  • disintegrating
  • dismal
  • disobedient
  • disobliging
  • disordered
  • disorderly
  • disparaging
  • dispirited
  • displeasing
  • disreputable
  • disrespectful
  • dissatisfactory
  • dissolute
  • distasteful
  • distressed
  • distressing
  • dizzy
  • doleful
  • dolorous
  • down
  • down in the mouth
  • downcast
  • downhearted
  • dreadful
  • dreadfully
  • drear
  • dreary
  • droopy
  • egregious
  • egregiously
  • el cheapo
  • elegiac
  • elegiacal
  • elfish
  • enormity
  • envious
  • errant
  • erring
  • erroneous
  • evil
  • evil-minded
  • evildoing
  • evilness
  • execrable
  • execrably
  • extreme
  • fake
  • fallen
  • fallible
  • fatal
  • faulty
  • feeble
  • fermented
  • feverish
  • fiendishness
  • fierce
  • flagrant
  • flagrantly
  • flashy
  • flawed
  • forbidden
  • forlorn
  • foul
  • fouled
  • fragile
  • frail
  • from hunger
  • froward
  • funereal
  • galling
  • gangrenous
  • garish
  • gaudy
  • ghastly
  • gimcrack
  • glitzy
  • gloomy
  • glum
  • gnarly
  • god-awful
  • godawful
  • grand
  • grave
  • gray
  • grey
  • grieving
  • grim
  • gross
  • grossly
  • guilty
  • half-assed
  • halt
  • hangdog
  • harmed
  • harmful
  • harsh
  • hateful
  • hazardous
  • headstrong
  • heartbroken
  • heartsick
  • heartsore
  • heavyhearted
  • heinousness
  • hellish
  • hideous
  • hopeless
  • horrendous
  • horrendously
  • horrible
  • horribly
  • horrid
  • horrifically
  • hostile
  • hurt
  • hurtful
  • hypochondriac
  • hypochondriacal
  • icky
  • ignoble
  • ill
  • ill-behaved
  • ill-mannered
  • ill-natured
  • illegal
  • immature
  • immoral
  • immorality
  • impaired
  • imperfect
  • imperiling
  • imperilling
  • impish
  • impolite
  • imposing
  • impressive
  • improper
  • impudent
  • impure
  • in pain
  • inadequate
  • inadequately
  • inappropriately
  • incapacitated
  • incomplete
  • inconsiderate
  • inconsolable
  • incorrect
  • incorrectly
  • indecency
  • indecent
  • indecently
  • indecorous
  • indifferent
  • indisposed
  • ineffective
  • ineffectual
  • infamous
  • infantile
  • infectious
  • infective
  • inferior
  • inferiorly
  • infernal
  • infirm
  • inimical
  • iniquitous
  • iniquitousness
  • iniquity
  • injured
  • injurious
  • inoperative
  • insidious
  • insolent
  • insufficient
  • insufficiently
  • insurgent
  • intense
  • interdicted
  • intimidating
  • intolerably
  • intractable
  • invalid
  • invidious
  • irreverent
  • irritating
  • jaundiced
  • jealous
  • jejune
  • jeopardizing
  • joyless
  • junky
  • juvenile
  • kiddish
  • killer
  • kitsch
  • kitschy
  • knavish
  • lachrymose
  • lacking
  • lackluster
  • lame
  • lesser
  • lethal
  • libertine
  • light-headed
  • loathsome
  • loose
  • lousily
  • lousy
  • low
  • low-grade
  • low-minded
  • low-rent
  • low-spirited
  • lugubrious
  • malefaction
  • malevolent
  • malicious
  • malign
  • malignant
  • marred
  • meager
  • meagerly
  • meagre
  • mean
  • mean-spirited
  • meanly
  • mediocre
  • melancholic
  • melancholy
  • menacing
  • meretricious
  • mighty
  • mildewy
  • misbehaving
  • mischievous
  • miscreant
  • miserable
  • miserably
  • miserly
  • moldering
  • moldy
  • monkeying
  • monkeyish
  • morbid
  • morose
  • mournful
  • murky
  • mutinous
  • nasty
  • naughtily
  • naughty
  • nauseated
  • nauseating
  • nauseous
  • nefarious
  • negative
  • niggardly
  • nocuous
  • noisome
  • nonbinding
  • nonvalid
  • noxious
  • nugatory
  • null
  • null and void
  • objectionable
  • obnoxious
  • obscene
  • obstreperous
  • odious
  • odiously
  • off
  • offensive
  • ominous
  • on the blink
  • opprobrious
  • ornery
  • ostentatious
  • out of sorts
  • outlawed
  • painful
  • paltry
  • parlous
  • pathetic
  • peaked
  • peaky
  • perilous
  • pernicious
  • perverse
  • perversion
  • perverted
  • pervertedness
  • pestiferous
  • pestilent
  • pestilential
  • phoney
  • phony
  • pixieish
  • plaintive
  • poisonous
  • polluted
  • poor
  • poorly
  • poxy
  • prankish
  • prejudicial
  • prohibited
  • proscribed
  • puerile
  • punk
  • putrefied
  • putrefying
  • putrescent
  • putrid
  • qualmish
  • queasy
  • queazy
  • rancid
  • rancorous
  • rank
  • rascally
  • rebellious
  • recalcitrant
  • refractory
  • regretful
  • remorseful
  • repellant
  • repellent
  • reprehensible
  • reprehensibly
  • reprobate
  • repugnant
  • repulsive
  • resentful
  • restive
  • revolting
  • revulsive
  • risky
  • roguish
  • rot
  • rotten
  • rottenly
  • rotting
  • rowdy
  • rubbishy
  • rude
  • rueful
  • ruffianly
  • ruinous
  • run-down
  • sad
  • saddened
  • sassy
  • satanism
  • saturnine
  • scandalous
  • scantily
  • scantly
  • scanty
  • scathing
  • schlock
  • schlocky
  • scornful
  • scoundrelly
  • scrofulous
  • scurrility
  • scurrilous
  • scurrilousness
  • scurvy
  • seamy
  • seasick
  • second-class
  • second-rate
  • seedy
  • selfish
  • serious
  • severe
  • shabbily
  • shabby
  • shaky
  • sham
  • shameful
  • shlock
  • shlocky
  • shocking
  • shoddily
  • shoddy
  • short
  • showy
  • sick
  • sickened
  • sickening
  • sickish
  • sickly
  • sin
  • sinful
  • sinfulness
  • sinister
  • skimp
  • skimpily
  • skimpy
  • sleazily
  • sleazy
  • slipshod
  • sly
  • snakelike
  • snide
  • snotty
  • somber
  • sombre
  • sordid
  • sorrowful
  • sorry
  • sour
  • soured
  • sourish
  • spare
  • sparely
  • spiteful
  • splashy
  • spoiled
  • squalor
  • squeamish
  • stingily
  • stingy
  • stinky
  • suboptimal
  • subpar
  • substandard
  • sucky
  • suicidal
  • sullen
  • sunk
  • supercheap
  • swank
  • swanky
  • symptomatic
  • taboo
  • tabu
  • tacky
  • tainted
  • tawdry
  • tearful
  • terrible
  • terribly
  • thoughtless
  • threatening
  • tough
  • toxic
  • transgressing
  • trashily
  • trashy
  • troubled
  • troublesome
  • troubling
  • trumpery
  • turned
  • ugly
  • ultracheap
  • unacceptable
  • unacceptably
  • unauthorized
  • unbearably
  • unbecoming
  • unclean
  • uncongenial
  • uncontrollable
  • uncouth
  • under par
  • under the weather
  • uneasy
  • unethical
  • unfavorable
  • unfortunate
  • unfriendly
  • ungodly
  • ungovernable
  • unhappy
  • unhealthful
  • unhealthy
  • unholy
  • unkind
  • unkindly
  • unlawful
  • unlovely
  • unloving
  • unmannerly
  • unpalatable
  • unpleasant
  • unpleasing
  • unprincipled
  • unquiet
  • unrighteous
  • unruly
  • unsafe
  • unsatisfactorily
  • unsatisfactory
  • unsavory
  • unscrupulous
  • unseemly
  • unsound
  • unspeakable
  • unspeakably
  • unsuitably
  • untoward
  • unwelcome
  • unwell
  • unwholesome
  • upset
  • upsetting
  • useless
  • valueless
  • venomous
  • vexatious
  • vexing
  • vicious
  • vile
  • vilely
  • vileness
  • villainous
  • villainy
  • vindictive
  • virulent
  • vitiated
  • vitriolic
  • void
  • vulgar
  • vulgarly
  • wack
  • waggish
  • wailing
  • wanting
  • wayward
  • weak
  • weakly
  • weeping
  • wicked
  • wickedness
  • wild
  • wilful
  • willful
  • woebegone
  • woeful
  • woozy
  • worried
  • worthless
  • wretched
  • wretchedly
  • wrong
  • wrongheaded
  • yucky
  • yukky

maidenly

  • adolescent
  • babe in woods
  • babyish
  • blameless
  • boyish
  • callow
  • celibate
  • cherry
  • childish
  • clean
  • continent
  • decent
  • exemplary
  • female
  • feminine
  • fresh
  • girlish
  • good
  • green
  • guileless
  • honest
  • immaculate
  • immature
  • inculpable
  • inexperienced
  • infantile
  • infantilized
  • infantine
  • ingenuous
  • innocent
  • inviolate
  • irreproachable
  • juvenescent
  • juvenile
  • kid
  • kiddish
  • ladylike
  • lily white
  • matronly
  • mature
  • modest
  • motherly
  • naive
  • puerile
  • pure as driven snow
  • raw
  • righteous
  • sinless
  • spotless
  • stainless
  • tender
  • true
  • unblemished
  • unblighted
  • uncorrupted
  • undefiled
  • unfledged
  • unformed
  • unknowing
  • unprofaned
  • unripe
  • unripened
  • unseasoned
  • unsophisticated
  • unspotted
  • unstained
  • unsullied
  • untrained
  • untried
  • upright
  • virgin
  • virginal
  • virtuous
  • wet behind ears
  • wide-eyed
  • womanish
  • womanlike
  • young
  • youngish
  • youthful

unanswerable

  • absolute
  • absurd
  • accomplished
  • accurate
  • actual
  • all out
  • allowed
  • apodictic
  • attested
  • authentic
  • authoritative
  • beyond doubt
  • beyond question
  • binding
  • bona fide
  • can bet on it
  • capricious
  • carefree
  • certain
  • clear
  • clinching
  • cogent
  • compelling
  • compulsory
  • conclusive
  • confirmed
  • convincing
  • credible
  • decided
  • deciding
  • decisive
  • definite
  • demonstrative
  • determinant
  • determinate
  • determinative
  • devil-may-care
  • double-checked
  • efficacious
  • efficient
  • egregious
  • evident
  • exempt
  • favored
  • feckless
  • fickle
  • final
  • finished
  • flat out
  • flighty
  • fly-by-night
  • for sure
  • free
  • giddy
  • good
  • good-faith
  • hands-down
  • hardened to
  • harebrained
  • hopeless
  • ill-considered
  • immature
  • improper
  • in force
  • inarguable
  • incautious
  • incongruous
  • incontestable
  • incontrovertible
  • indisputable
  • indubitable
  • insusceptible
  • invincible
  • ironclad
  • irrebuttable
  • irrefragable
  • irrefrangible
  • irrefutable
  • irresistible
  • irresponsible
  • irrevocable
  • just
  • kosher
  • lawful
  • lax
  • legal
  • legit
  • legitimate
  • licensed
  • litmus test
  • logical
  • loose
  • ludicrous
  • manifest
  • necessary
  • no ifs and or buts
  • no-account
  • nof ifs ands or buts
  • not affected
  • not liable
  • not subject
  • objectionable
  • obligatory
  • obvious
  • odds-on
  • offensive
  • official
  • open and shut
  • original
  • outrageous
  • patent
  • persuasive
  • positive
  • potent
  • powerful
  • precise
  • preposterous
  • privileged
  • protected
  • proven
  • pure
  • rash
  • real
  • resistant
  • resolving
  • revealing
  • safe
  • scatterbrained
  • set
  • settled
  • settling
  • shiftless
  • solid
  • sound
  • straight out
  • stringent
  • strong
  • substantial
  • sure
  • sure thing
  • telling
  • tested
  • thoughtless
  • true
  • trustworthy
  • ultimate
  • unacceptable
  • unaccountable
  • unadulterated
  • unaffected
  • unambiguous
  • unappealable
  • unarguable
  • unassailable
  • uncareful
  • unchallengeable
  • unconditional
  • uncontested
  • uncontradicted
  • uncorrupted
  • undeniable
  • undependable
  • undesirable
  • undisputed
  • undoubted
  • unequivocal
  • unimpeachable
  • unliable
  • unmistakable
  • unpredictable
  • unquestionable
  • unquestioned
  • unreasonable
  • unreliable
  • unstable
  • unsuitable
  • unsusceptible
  • untrustworthy
  • weighty
  • well-founded
  • well-grounded
  • what you see is what you get
  • wild

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