senseless

Synonyms: absurd asinine batty crazy daft doublespeak double talk fatuous flaky foolish idiotic illogical imbecilic inane incongruous inconsistent insignificant irrational ludicrous mad mindless moronic nonsensical nutty pointless purportless purposeless ridiculous simple stupid trivial unimportant unintelligent unmeaning unreasonable unsound unwise wacky without rhyme or reason

Antonyms: feeling intelligent rational reasonable sensible wise