adjective
contrary to or devoid of logic
came to an illogical conclusion from the facts presented
Synonyms: fallacious, invalid, irrational, mad, nonrational, reasonless, sophistic, unreasonable, unreasoned; compare false 1
Related Word: inconsistent; specious; unscientific, unsound; absurd, meaningless, senseless
Idioms: without rhyme or reason
Contrasted words: rational, reasonable, sensible; plausible, sane, sound, valid
Antonyms: logical