illogicality
Absence of sense
Illogicality is the quality of being illogical—failing to follow sound reasoning or contradicting common sense.
The word often highlights absurdity or internal inconsistency: The illogicality of the policy became obvious when enforcement began.
It can describe arguments, systems, or human behavior that defies rational explanation.
Wildly illogical quality
- nonsenseMeaningless words or actions
- preposterousnessQuality of being ridiculous
- ludicrousnessQuality of being laughable
- ridiculousnessQuality of being laughable
senselessness · meaninglessness · incoherence · gibberish · drivel · balderdash · hokum · foolishness
Opposing claims, incompatible together
- inconsistencyLack of steady pattern
- paradoxSeemingly absurd truth
- self-contradictionClaim negating itself
- incongruityLack of harmony
discrepancy · incompatibility · conflict · clash · antinomy · oxymoron · incoherence · self-defeating
Error in reasoning
- sophistryDeceptive reasoning
- non sequiturIllogical conclusion or remark
- circular reasoningFallacy assuming its conclusion
- false dichotomyPretend two-choice situation
straw man · red herring · equivocation · begging the question · hasty generalization · slippery slope · ad hominem · post hoc
Mental disorientation or bewilderment
- muddleDisordered, bewildered state
- bewildermentState of being baffled
- perplexityMental state of confusion
- disarrayLack of order
jumble · tangle · garble · disorder · chaos · mess · fog · haze
Unfair inclination or prejudice
- prejudicePreformed unfavorable opinion
- preconceptionBelief formed beforehand
- partialityUnfair favor toward some
- prejudgmentOpinion formed beforehand
predisposition · motivated reasoning · confirmation bias · cognitive bias · wishful thinking · rationalization · self-deception · blind spot
absurdity
Wildly illogical quality
- nonsenseMeaningless words or actions
- preposterousnessQuality of being ridiculous
- ludicrousnessQuality of being laughable
ridiculousness · senselessness · meaninglessness · incoherence · gibberish · drivel · balderdash · hokum · foolishness · silliness
contradiction
Opposing claims, incompatible together
- inconsistencyLack of steady pattern
- paradoxSeemingly absurd truth
- self-contradictionClaim negating itself
incongruity · discrepancy · incompatibility · conflict · clash · antinomy · oxymoron · incoherence · self-defeating · mutual exclusion
fallacy
Error in reasoning
- sophistryDeceptive reasoning
- non sequiturIllogical conclusion or remark
- circular reasoningFallacy assuming its conclusion
false dichotomy · straw man · red herring · equivocation · begging the question · hasty generalization · slippery slope · ad hominem · post hoc · category error
confusion
Mental disorientation or bewilderment
- muddleDisordered, bewildered state
- bewildermentState of being baffled
- perplexityMental state of confusion
disarray · jumble · tangle · garble · disorder · chaos · mess · fog · haze · obscurity
bias
Unfair inclination or prejudice
- prejudicePreformed unfavorable opinion
- preconceptionBelief formed beforehand
- partialityUnfair favor toward some
prejudgment · predisposition · motivated reasoning · confirmation bias · cognitive bias · wishful thinking · rationalization · self-deception · blind spot · tunnel vision
- unbelievableunbelievable, incredible, inconceivable, implausible, unthinkable
- psychosishallucinations, psychosis, delusions, delusion, schizophrenia
- foolishnessfoolishness, silliness, foolish, stupid, folly
- nonsensenonsense, absurd, gibberish, gobbledegook, gobbledygook
- dysfunctiondysfunction, malfunction, breakdown, failure, defect
illogicalitylogic
Science of valid reasoning
logicalness · rationality · coherence · logical consistency · validity
illogicalityrationality
Sound judgment quality
reasonableness · sense · sensibleness · sanity · lucidity
logic, logical, illogical, logistics, logically, biological, ideological, illogically, logician