illogical
The word “illogical” has 4 syllables: il-log-i-cal
It's pronounced as /ɪˈlɒdʒɪkəl/
What is synonym and antonym for illogical?
In the thesaurus, “illogical” has 76 synonyms and 40 antonyms.
Here are synonyms and antonyms for illogical along with examples of usage in sentences.
Synonyms for illogical
- Kafkaesque
- absurd
- asinine
- casuistic
- cockeyed
- disordered
- disorganized
- eristic
- eristical
- fallacious
- false
- fatuous
- faulty
- foolish
- groundless
- half-baked
- hollow
- ill-advised
- illegitimate
- implausible
- inconclusive
- incongruous
- inconsequent
- inconsequential
- inconsistent
- incorrect
- inexplicable
- insane
- invalid
- irrational
- irrelevant
- mad
- meaningless
- misguided
- misleading
- nonrational
- nonsensical
- not following
- nutty
- odd
- off the wall
- peculiar
- preposterous
- rambling
- random
- reasonless
- screwy
- self-contradictory
- senseless
- silly
- sophistic
- sophistical
- specious
- spurious
- strange
- surreal
- unaccountable
- unconnected
- unconsidered
- unconvincing
- unexplainable
- unproved
- unreasonable
- unreasoned
- unreasoning
- unscientific
- unsound
- unsubstantial
- untenable
- unusual
- wacky
- weak
- weird
- whacky
- without basis
- without foundation
Antonyms for illogical
- certain
- clear
- cogent
- commonsense
- compelling
- confirmed
- convincing
- correct
- corroborated
- credible
- demonstrated
- enlightened
- established
- informed
- just
- justified
- logical
- meaningful
- ordered
- organized
- persuasive
- plausible
- rational
- reasonable
- reasoned
- right
- sane
- satisfying
- sensible
- sober
- solid
- sound
- substantiated
- sure
- true
- valid
- validated
- well-founded
- well-grounded
- wise
Meanings of illogical
- adjective
- Contrary to logic; lacking sense or sound reasoning.
Example Sentences
- Despite her best efforts, she couldn't understand the illogical reasoning behind his decision.
- The professor pointed out the flaws in the student's argument, citing its illogical conclusions.
- It was illogical to expect a different outcome when repeating the same failed experiment.
- The company's decision to downsize its most profitable division seemed completely illogical.
- His behavior was erratic and illogical, leaving his friends and family puzzled and concerned.
On this page you'll find 116 synonyms, antonyms, or another words to illogical, such as: Kafkaesque, absurd, asinine, casuistic, certain, clear, cockeyed.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.
Related Words
sappy
- absurd
- airheaded
- asinine
- balmy
- bathetic
- birdbrained
- boobish
- brain-dead
- brainless
- bubbleheaded
- buffoonish
- chocolate-box
- chowderheaded
- chuckleheaded
- clownish
- cloying
- clueless
- cockeyed
- corny
- crackpot
- crazy
- cuckoo
- cutesy
- daffy
- daft
- dense
- dim
- dim-witted
- dippy
- doltish
- dopey
- dopy
- dorky
- dotty
- dreamy
- drippy
- dull
- dumb
- dunderheaded
- empty-headed
- fallacious
- farcical
- fatuous
- featherheaded
- feebleminded
- feel-good
- flat
- fool
- foolish
- fruity
- fuzzy
- gooey
- gormless
- half-baked
- half-witted
- harebrained
- idiotic
- idiotical
- ill-advised
- illogical
- imbecile
- imbecilic
- inept
- insane
- insipid
- invalid
- irrational
- jerky
- knuckleheaded
- kookie
- kooky
- lamebrain
- lamebrained
- laughable
- looney
- loony
- lovey-dovey
- ludicrous
- lunatic
- lunkheaded
- mad
- maudlin
- mawkish
- melodramatic
- mindless
- misty-eyed
- moonstruck
- moony
- moronic
- mushy
- nonrational
- nonsensical
- nostalgic
- notional
- novelettish
- nutty
- oafish
- obtuse
- opaque
- out to lunch
- pinheaded
- preposterous
- ridiculous
- saccharine
- schmaltzy
- screwball
- senseless
- sentimental
- silly
- simple
- simpleminded
- sloppy
- slow
- slow-witted
- slushy
- soap-operatic
- soapy
- soft
- soft-boiled
- softheaded
- soppy
- soupy
- spooney
- spoony
- starry-eyed
- sticky
- stupid
- sudsy
- sugarcoated
- sugary
- surd
- tasteless
- thick
- thickheaded
- thoughtless
- tomfool
- twee
- unconsidered
- unintelligent
- unreasonable
- unreasoned
- unreasoning
- unsound
- unwise
- vacuous
- vapid
- wacky
- watery
- weak
- weak-minded
- wet
- whacky
- witless
- zany
deceiving
- Pecksniffian
- ambidextrous
- ambiguous
- apocryphal
- apostate
- apparent
- artful
- artificial
- astucious
- astute
- backbiting
- backhanded
- backstabbing
- bamboozling
- base
- beguiling
- belittling
- bent
- bewildering
- bigoted
- bleeding
- bluffing
- bogus
- buffaloing
- bum
- burning
- canting
- casuistic
- casuistical
- catching
- catchy
- cheating
- chimeric
- chimerical
- chiseling
- chiselling
- circuitous
- clandestine
- concocted
- confounding
- conning
- contrary to fact
- cooked-up
- corrupt
- counterfactual
- counterfeit
- coveting
- cozening
- crafty
- crooked
- cunning
- deceitful
- deception
- deceptive
- defaming
- defrauding
- degrading
- deluding
- delusive
- delusory
- demagogic
- designing
- devilish
- devious
- diddling
- dishonest
- dishonesty
- dishonorable
- dishonoring
- disingenuous
- disloyal
- disreputable
- dissembling
- distorted
- distracting
- doing a number on
- double-crossing
- double-dealing
- duping
- duplicitous
- elusive
- equivocal
- erroneous
- ersatz
- euchring
- evasive
- faithless
- fake
- faking out
- fallacious
- false
- falsehearted
- fanciful
- fantastic
- fast
- faulty
- feigned
- feline
- fictitious
- fishy
- fleecing
- flimflamming
- fooling
- forged
- forsworn
- foul
- foxy
- fraudulent
- furtive
- gaffing
- gammoning
- goody-goody
- groveling
- grudging
- guileful
- gulling
- having
- having on
- hoaxing
- holier-than-thou
- hoodwinking
- hornswoggling
- humbugging
- hustling
- hypocritical
- illogical
- illusive
- illusory
- imaginary
- impish
- impostrous
- imposturous
- improper
- inaccurate
- incorrect
- indirect
- inexact
- insidious
- insincere
- invalid
- irrational
- jive
- juggling
- kidding
- knavish
- leading one down the garden path
- leading one up the garden path
- left-handed
- lying
- mad
- malevolent
- malicious
- mean
- mendacious
- misguiding
- misinforming
- misleading
- misrepresentative
- mistaken
- mock
- mulcting
- mythomaniac
- naughty
- oblique
- off
- off the mark
- ostensible
- perfidious
- perjured
- perplexing
- pharisaical
- phoney
- phony
- pietistic
- pious
- plausible
- playful
- preachy
- puckish
- putting on
- puzzling
- quarreling
- quixotic
- rascal
- rascally
- reasonless
- recreant
- renegade
- roguish
- rooking
- scheming
- scolding
- scoundrelly
- seeming
- self-satisfied
- serpentine
- shady
- sham
- shaming
- shifty
- shortchanging
- sinister
- skinning
- slick
- slippery
- sly
- smug
- sneaking
- sneaky
- snide
- snookering
- snowing
- sophistic
- sophistical
- specious
- spoofing
- spurious
- squeezing
- stealthy
- sticking
- stinging
- stringing along
- stuffy
- subtile
- subtle
- suckering
- sucking in
- swindling
- taking in
- teasing
- traitorous
- treacherous
- treasonable
- trick
- tricking
- trickish
- tricky
- trumped-up
- two-faced
- two-timing
- unctuous
- underhand
- underhanded
- unfair
- unfaithful
- unfounded
- ungrounded
- unprincipled
- unreal
- unreasonable
- unreasoned
- unreliable
- unscrupulous
- unsound
- untrue
- untrustworthy
- untruthful
- venal
- villainous
- visionary
- way-off
- wicked
- wily
- wrong
balmy
- aberrant
- absurd
- airheaded
- amok
- amuck
- ape
- around the bend
- asinine
- ballistic
- bananas
- barmy
- bats
- batty
- bedlam
- benign
- berserk
- birdbrained
- bland
- bonkers
- boobish
- brain-dead
- brainless
- brainsick
- bubbleheaded
- buffering
- buffoonish
- bugged out
- bughouse
- calm
- certifiable
- chowderheaded
- chuckleheaded
- clear
- clement
- cloudless
- clownish
- clueless
- cockeyed
- compassionate
- crackbrained
- cracked
- crackers
- crackpot
- cranky
- crazed
- crazy
- cuckoo
- cushioning
- daffy
- daft
- delicate
- delightful
- delirious
- delusional
- delusionary
- demented
- dense
- depressed
- deranged
- dim
- dim-witted
- dippy
- disordered
- distracted
- distraught
- disturbed
- doltish
- dopey
- dopy
- dorky
- dotty
- dull
- dumb
- dunderheaded
- easy
- eccentric
- emollient
- empty-headed
- equable
- fair
- fallacious
- farcical
- fatuous
- featherheaded
- feebleminded
- fey
- fine
- fixated
- fool
- foolish
- frantic
- frenzied
- fruity
- gaga
- genial
- gentle
- glorious
- gormless
- halcyon
- half-baked
- half-witted
- harebrained
- haywire
- hysteric
- hysterical
- idiotic
- idiotical
- ill-advised
- illogical
- imbecile
- imbecilic
- inept
- insane
- invalid
- irrational
- jerky
- knuckleheaded
- kookie
- kooky
- lamebrain
- lamebrained
- laughable
- lenient
- light
- loco
- looney
- looney tunes
- loony
- loony tunes
- loopy
- ludicrous
- lunatic
- lunkheaded
- mad
- maniac
- maniacal
- mellow
- mental
- merciful
- meshuga
- meshugah
- meshuggah
- meshugge
- mild
- mindless
- moderate
- moist
- monomaniac
- monomaniacal
- moonstruck
- moronic
- neurotic
- non compos mentis
- nonabrasive
- nonrational
- nonsensical
- notional
- nuclear
- nuts
- nutty
- oafish
- obsessed
- obsessive-compulsive
- obtuse
- odd
- oddball
- off
- opaque
- out to lunch
- pacific
- paranoiac
- paranoic
- paranoid
- paranoidal
- peaceful
- pinheaded
- pixilated
- pixillated
- placid
- pleasant
- potty
- preposterous
- psycho
- psychotic
- queer
- quiet
- rainless
- raving
- refreshing
- ridiculous
- sappy
- scatty
- schizoid
- schizophrenic
- screwball
- screwy
- senseless
- serene
- silly
- simple
- simpleminded
- sleek
- slick
- slow
- slow-witted
- smooth
- sociopathic
- soft
- softening
- softheaded
- soothing
- strange
- stupid
- summerlike
- summery
- sunny
- sunshiny
- surd
- teched
- temperate
- tender
- tetched
- thick
- thickheaded
- thoughtless
- tomfool
- touched
- tranquil
- tropical
- unbalanced
- unconsidered
- unhinged
- unintelligent
- unreasonable
- unreasoned
- unreasoning
- unsound
- unwise
- vacuous
- wacko
- wacky
- warm
- weak
- weak-minded
- whacko
- whacky
- wigged-out
- witless
- wud
- zany
uncertainly
- aimlessly
- alternately
- ambiguously
- any which way
- anyhow
- askance
- at intervals
- at irregular intervals
- bloodlessly
- brokenly
- by fits and starts
- by turns
- chaotically
- confusedly
- delicately
- disconnectedly
- discontinuously
- disjointedly
- distrustfully
- distrustingly
- doubtfully
- doubtingly
- drunkenly
- dubiously
- eccentrically
- erratically
- extremely
- faintly
- feebly
- fitfully
- fluctuating
- frailly
- frantically
- frenziedly
- gently
- halfheartedly
- haphazardly
- hazily
- helter-skelter
- hesitatingly
- illegibly
- illogically
- impotently
- in snatches
- incomprehensibly
- inconspicuously
- inconstantly
- indefinitely
- indeterminately
- indistinctly
- ineffectively
- ineffectually
- ineptly
- infinitely
- infrequently
- intermittently
- irregularly
- irresolutely
- jerkily
- lamely
- languidly
- lazily
- listlessly
- nervelessly
- not often
- not visibly
- now and again
- now and then
- obscurely
- occasionally
- off and on
- out of sequence
- out of sight
- periodically
- problematically
- questionably
- questioningly
- randomly
- remarkably
- secretly
- shakily
- skeptically
- slapdash
- sloppily
- so large
- so much
- softly
- sometimes
- spasmodically
- spinelessly
- spiritlessly
- sporadically
- such
- suspiciously
- tentatively
- this much
- unbelievingly
- unclearly
- uncommonly
- undecidedly
- undetectably
- unevenly
- unfaithfully
- unintelligibly
- unmethodically
- unpunctually
- unrecognizably
- unsettingly
- unsurely
- unsystematically
- unusually
- vaguely
- variable
- very
- very seldom
- weakly
- when the mood strikes
- wildly
- willy-nilly
far-fetched
- absurd
- bizarre
- crazy
- doubtful
- dubious
- eccentric
- fantastic
- fantastical
- fishy
- flimsy
- foolish
- forced
- hard to swallow
- illogical
- implausible
- impossible
- improbable
- incoherent
- inconceivable
- inconsequential
- incredible
- insane
- labored
- nonsensical
- odd
- outlandish
- outside
- preposterous
- questionable
- recondite
- remote
- ridiculous
- slight
- strained
- strange
- suspicious
- unapt
- unbelievable
- unconvincing
- unimaginable
- unlikely
- unnatural
- unreal
- unrealistic
- unthinkable
- wild