Meaning & use

illogical

adjective·Academic

Not following the rules of sound reasoning; lacking sense or consistency.

See it in a sentence

It seemed illogical to close the store during the busiest shopping weekend of the year.

His argument was illogical because the conclusion did not actually follow from his evidence.

A note on using this word

Illogical describes flawed reasoning or an inconsistent decision, distinct from 'absurd,' which can simply mean ridiculous without focusing on faulty logic.

Words with a similar meaning

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

logicalrational

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