Illogical

Origin

- + logical

Full definition of illogical

Adjective

1. Contrary to logic; lacking sense or sound reasoning.She gave me an illogical reply and left me standing there feeling confused.

Derived terms

• illogicality
• illogically
• illogicalness

Synonyms

• absurd
• irrational
• unreasoning
• unsound

Antonyms

• logical