undefined

The word “undefined” has 3 syllables: un-de-fined

It's pronounced as /ˌʌn.dɪˈfaɪnd/


What is synonym and antonym for undefined?

In the thesaurus, “undefined” has 50 synonyms and 15 antonyms.

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


Synonyms for undefined

  • ambiguous
  • blear
  • bleary
  • blurry
  • boundless
  • dark
  • dim
  • dusky
  • endless
  • enduring
  • faint
  • foggy
  • forever
  • fuzzy
  • gauzy
  • gloomy
  • hazy
  • hieroglyphic
  • hieroglyphical
  • impalpable
  • inappreciable
  • incomprehensible
  • indecipherable
  • indefinite
  • indeterminate
  • indiscernible
  • indistinct
  • indistinguishable
  • inexplicable
  • intangible
  • invisible
  • limitless
  • misty
  • muddy
  • murky
  • mysterious
  • nebulous
  • obfuscatory
  • obscure
  • opaque
  • pale
  • perpetual
  • puzzling
  • shadowy
  • unclear
  • undetermined
  • unending
  • unspecific
  • vague
  • vast

Antonyms for undefined

  • bounded
  • bright
  • certain
  • clear
  • definite
  • distinct
  • evident
  • finite
  • firm
  • limited
  • obvious
  • pellucid
  • plain
  • strong
  • sure

Meanings of undefined

  • adjective
    1. Lacking a definition or value.
    2. That does not have a meaning and is thus not assigned an interpretation.

Example Sentences

  • The result of dividing a number by zero is always undefined.
  • His role in the project remained undefined, causing confusion among the team.
  • The boundaries of the agreement were left undefined, leading to disagreements later.
  • In mathematics, an equation with no solution is considered undefined.
  • The concept was too abstract and remained undefined throughout the discussion.

On this page you'll find 65 synonyms, antonyms, or another words to undefined, such as: ambiguous, blear, bleary, blurry, bounded, boundless, bright.

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

Related Words

obfuscatory

vague

  • ambiguous
  • amorphous
  • amphibological
  • baffling
  • bewildering
  • blear
  • bleary
  • blurred
  • blurry
  • cloudy
  • confounding
  • confusing
  • cryptic
  • dark
  • dim
  • doubtful
  • dreamlike
  • dubious
  • dusky
  • enigmatic
  • enigmatical
  • equivocal
  • faint
  • foggy
  • fuzzy
  • gauzy
  • generalized
  • gloomy
  • hazy
  • hieroglyphic
  • hieroglyphical
  • ill-defined
  • impalpable
  • imprecise
  • inappreciable
  • incomprehensible
  • indecipherable
  • indefinite
  • indeterminate
  • indiscernible
  • indistinct
  • indistinguishable
  • inexplicable
  • inexplicit
  • inscrutable
  • intangible
  • invisible
  • lax
  • loose
  • misty
  • misunderstood
  • muddy
  • murky
  • muzzy
  • mysterious
  • mystifying
  • nebulous
  • obfuscatory
  • obscure
  • opaque
  • pale
  • perplexing
  • problematic
  • puzzling
  • questionable
  • shadowy
  • superficial
  • tenebrous
  • uncertain
  • unclear
  • undefinable
  • undefined
  • undetermined
  • unexplicit
  • unfathomable
  • unintelligible
  • unknown
  • unsettled
  • unspecified
  • unsure
  • woozy

dark

  • Cimmerian
  • Delphian
  • Delphic
  • abstruse
  • ambiguous
  • anagogic
  • analphabetic
  • aphotic
  • arcane
  • artless
  • atramentous
  • atrocious
  • bad
  • baffling
  • banned
  • barred
  • base
  • beclouded
  • bedimmed
  • befogged
  • benighted
  • bewildering
  • black
  • blackish
  • blackness
  • blackout
  • blamable
  • blameworthy
  • bleak
  • blue
  • brainless
  • brownout
  • brunet
  • brunette
  • cabalistic
  • caliginous
  • callow
  • candlelight
  • censurable
  • cheerless
  • chill
  • cimmerian
  • circuitous
  • clandestine
  • cloaked
  • close
  • closemouthed
  • clouded
  • cloudiness
  • cloudy
  • cold
  • colorless
  • comfortless
  • complex
  • complicated
  • concealed
  • concealment
  • condemned
  • confounding
  • confusing
  • contemptible
  • corrupt
  • covert
  • crepuscular
  • cruel
  • cryptic
  • cursed
  • curst
  • cussed
  • damnable
  • darkened
  • darkening
  • darkish
  • darkling
  • darkness
  • darksome
  • dead of night
  • debased
  • debauched
  • deep
  • defiling
  • degenerate
  • dejected
  • denseness
  • depraved
  • depressed
  • depressing
  • depressive
  • desolate
  • desperate
  • despicable
  • despondent
  • difficult
  • dim
  • dimmed
  • dimness
  • dimout
  • dingy
  • dire
  • dirty
  • disallowed
  • discomfiting
  • disconsolate
  • discouraged
  • discouraging
  • discreet
  • disguised
  • disheartening
  • dishonest
  • dishonorable
  • dismal
  • dismaying
  • dispiriting
  • disreputable
  • dissolute
  • distressful
  • distressing
  • doleful
  • double-edged
  • dour
  • down
  • drab
  • drear
  • dreary
  • dreich
  • droopy
  • dull
  • dulled
  • dullness
  • dulness
  • dumb
  • dun
  • dusk
  • dusky
  • eerie
  • eery
  • elegiac
  • elegiacal
  • elliptic
  • elliptical
  • enigmatic
  • enigmatical
  • equivocal
  • errant
  • erring
  • esoteric
  • evening
  • evil
  • evil-minded
  • execrable
  • faint
  • faintness
  • fallen
  • fogginess
  • foggy
  • foolish
  • forbidden
  • forbidding
  • foreboding
  • forlorn
  • foul
  • frowning
  • fuliginous
  • functionally illiterate
  • funereal
  • furtive
  • fuzzy
  • gloaming
  • gloom
  • gloominess
  • gloomy
  • glowering
  • glum
  • godforsaken
  • gray
  • grayness
  • green
  • grey
  • grim
  • half-light
  • hangdog
  • haziness
  • hazy
  • hellish
  • hopeless
  • horrible
  • hugger-mugger
  • idiotic
  • idiotical
  • ignoble
  • ignorant
  • ill
  • ill-lighted
  • illegal
  • illiterate
  • imbecile
  • imbecilic
  • immoral
  • impalpable
  • impenetrable
  • improper
  • inappreciable
  • incomprehensible
  • inconsolable
  • incorrect
  • indecent
  • indecipherable
  • indecorous
  • indefinite
  • indirect
  • indistinct
  • indistinguishable
  • inexact
  • inexperienced
  • inexplicable
  • inexplicit
  • infamous
  • infernal
  • iniquitous
  • inky
  • innocent
  • innumerate
  • inscrutability
  • inscrutable
  • intangible
  • interdicted
  • intricate
  • invisible
  • joyless
  • knotty
  • lackluster
  • lamentable
  • leaden
  • libertine
  • lightless
  • lonely
  • lonesome
  • loose
  • louring
  • loury
  • lousy
  • low
  • low-minded
  • lowbrow
  • lowering
  • lowery
  • lugubrious
  • lurid
  • masked
  • mean
  • melancholic
  • melancholy
  • menacing
  • midnight
  • mirthless
  • miserable
  • mistiness
  • misty
  • moonless
  • morbid
  • moronic
  • morose
  • mournful
  • muddy
  • murk
  • murkiness
  • murky
  • mysterious
  • mystic
  • mystical
  • mystifying
  • naive
  • nasty
  • naughty
  • nebulous
  • nefarious
  • negative
  • night
  • nightfall
  • nighttime
  • noncommittal
  • nonliterate
  • not known
  • noxious
  • obfuscatory
  • obfuscous
  • objectionable
  • obnubilated
  • obscene
  • obscurant
  • obscurantic
  • obscure
  • obscured
  • obscurity
  • obtuse
  • occult
  • offensive
  • ominous
  • opaque
  • oppressive
  • outlawed
  • overcast
  • pale
  • paleness
  • pernicious
  • perplexing
  • perverted
  • pessimistic
  • pestilential
  • philistine
  • pitch-black
  • pitch-dark
  • pitchy
  • plaintive
  • plutonian
  • prohibited
  • proscribed
  • prudent
  • puzzling
  • questionable
  • quiet
  • raw
  • rayless
  • recondite
  • reprehensible
  • reprobate
  • reserved
  • reticent
  • rotten
  • roundabout
  • rude
  • sad
  • saturnine
  • scowling
  • scrofulous
  • seclusion
  • secrecy
  • secret
  • secretive
  • semidarkness
  • semiliterate
  • senseless
  • sepulchral
  • shade
  • shaded
  • shadiness
  • shadowlike
  • shadows
  • shadowy
  • shady
  • shrouded
  • sick
  • silent
  • silly
  • simple
  • sinful
  • sinister
  • smoggy
  • sneak
  • sneaky
  • snide
  • solemn
  • somber
  • somberness
  • sombre
  • sooty
  • sordid
  • sorrowful
  • soupy
  • sphinxlike
  • starless
  • stealthy
  • stupid
  • stygian
  • sulky
  • sullen
  • sunless
  • surreptitious
  • swart
  • swarthy
  • taciturn
  • tenebrific
  • tenebrous
  • thickness
  • threatening
  • tight-lipped
  • tight-mouthed
  • twilight
  • twilit
  • ugly
  • umbra
  • umbrage
  • unanswerable
  • unauthorized
  • unbecoming
  • uncanny
  • uncertain
  • unclean
  • unclear
  • uncommunicative
  • uncultivated
  • uncultured
  • undefined
  • undercover
  • underhand
  • underhanded
  • undetermined
  • uneducated
  • unenlightened
  • unethical
  • unfathomable
  • ungodly
  • unhappy
  • unhealthy
  • uninstructed
  • unknowable
  • unknowledgeable
  • unlawful
  • unlearned
  • unlettered
  • unlighted
  • unlit
  • unprincipled
  • unpropitious
  • unread
  • unrighteous
  • unsavory
  • unschooled
  • unscrupulous
  • unseemly
  • unskilled
  • unsophisticated
  • untaught
  • untrained
  • untutored
  • unwholesome
  • upsetting
  • vague
  • vicious
  • vile
  • villainous
  • vulgar
  • weird
  • wicked
  • witching hour
  • witless
  • woebegone
  • woeful
  • wretched
  • wrong

faint

  • aside
  • asthenic
  • bated
  • be overcome
  • become unconscious
  • black out
  • blackout
  • bland
  • bleached
  • blear
  • bleary
  • blurred
  • blurry
  • break down
  • breakable
  • breathless
  • broken-down
  • challenged
  • collapse
  • damaged
  • dark
  • daze
  • deadened
  • debilitated
  • decrepit
  • deep
  • delicate
  • dim
  • disabled
  • distant
  • dizziness
  • dizzy
  • down-and-out
  • drained
  • drooping
  • drop
  • drowsiness
  • dull
  • dusky
  • dusty
  • effete
  • enervated
  • enfeebled
  • epicene
  • exhausted
  • fade
  • faded
  • fail
  • fall
  • faltering
  • far-off
  • fatigued
  • feeble
  • flagging
  • flicker
  • flimsy
  • foggy
  • fragile
  • frail
  • fuzzy
  • gauzy
  • gentle
  • gloomy
  • go out like light
  • grayout
  • groggy
  • harmed
  • hazy
  • hieroglyphic
  • hieroglyphical
  • hoarse
  • hurt
  • hushed
  • ill-defined
  • impaired
  • impalpable
  • imperceptible
  • impotent
  • inappreciable
  • inaudible
  • incapacitated
  • incomprehensible
  • indecipherable
  • indefinite
  • indiscernible
  • indistinct
  • indistinguishable
  • inexplicable
  • infirm
  • injured
  • insensibility
  • intangible
  • invalid
  • invisible
  • keel over
  • knockout
  • lame
  • languid
  • languish
  • lenient
  • lethargic
  • light
  • lightheaded
  • low
  • low-pitched
  • mild
  • misty
  • moderate
  • muffled
  • murky
  • murmuring
  • muted
  • muttering
  • mysterious
  • narcosis
  • nebulous
  • obfuscatory
  • obscure
  • opaque
  • out of earshot
  • padded
  • pale
  • paralyzed
  • pass out
  • piano
  • powerless
  • prostrate
  • prostrated
  • puzzling
  • quiet
  • remote
  • resistless
  • rocky
  • sapped
  • shadowy
  • sleep
  • slight
  • smooth
  • soft
  • softened
  • somnolence
  • soothing
  • stifled
  • stupor
  • subdued
  • succumb
  • susceptible
  • swim
  • swoon
  • syncope
  • tender
  • tenuous
  • thin
  • tired
  • trance
  • unclear
  • undefined
  • undetermined
  • unenthusiastic
  • unresistant
  • unsound
  • unsteady
  • unsubstantial
  • vague
  • vertigo
  • vulnerable
  • wan
  • wasted
  • weak
  • weaken
  • weakened
  • weary
  • whispered
  • wimpish
  • wimpy
  • woozy
  • worn-out
  • yielding

obnubilated


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