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Meaning of illogical
The primary meaning of the word "illogical" refers to something that is not reasonable or rational.
Etymology of illogical
The word "illogical" has its roots in the prefix "il-" meaning "not" and the word "logical" which originates from the Greek word "logikos" meaning "of reason" or "rational", with the Latin "logicus" being an intermediate step, and has been used in the English language since the 17th century to describe something that is contrary to reason or logic.
Synonyms
unreasonable
irrational
absurd
preposterous
ridiculous
senseless
nonsensical
foolish
silly
imprudent
unwise
unjustified
unfounded
baseless
groundless
unsubstantiated
unreasoned
unthoughtful
impulsive
arbitrary
capricious
inconsistent
contradictory
paradoxical
incongruous
incoherent
inconsequential
unconvincing
implausible
unbelievable
unsound
flawed
erroneous
fallacious
specious
spurious
fatuous
asinine
ludicrous
comical
laughable
farcical
absurdity
illogicality
Definitions
- Not logical or rational
- * Contrary to logic or reason
- * Not based on or supported by reason or evidence
Usage Examples
- The argument presented was illogical and lacked any solid evidence.
- * It's illogical to assume that everyone will agree with your opinion.
- * The decision to invest in the company was illogical given its poor financial history.
Antonyms
logical
rational
reasonable
sensible
sound
valid
justified
well-founded
well-reasoned
thoughtful
prudent
wise
justified
grounded
substantiated
reasonable
coherent
consistent
convincing
plausible
believable
solid
flawless
accurate
correct
valid
cogent
lucid
clear
articulate