Illogical Meaning
/ˌɪˈlɑdʒɪkəl/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
adjContrary to logic; lacking sense or sound reasoning.
Sentence Examples
It's completely illogical. It wasn't as if I was shouting outside while drunk.
People sometimes make illogical decisions.
Some observers think the debate is fundamentally illogical.
Synonyms & Antonyms
Synonyms:
CEFR Practice Quiz
His reasoning was completely ____ because it contradicted all the known facts.
CEFR Practice Quiz (Alternate)
His argument was completely ____ and made no sense to anyone who was listening carefully.
Word Origin & History
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English il- English logical English illogical From il- + logical.
Literary Quotations & Historical Citations
"Your highly emotional reaction is most illogical."
— 1967 November 10, “Metamorphosis”, in Star Trek, season 2, episode 9, spoken by Mr. Spock (Leonard Nimoy):
"'Cause I was feeling so illogical, d-d-d-igital"
— 1979, “The Logical Song”, in Roger Hodgson (lyrics), Breakfast in America, performed by Supertramp:
Explore More C1 Vocabulary Words
CEFR Practice Quiz
His reasoning was completely ____ because it contradicted all the known facts.
CEFR Practice Quiz (Alternate)
His argument was completely ____ and made no sense to anyone who was listening carefully.