foolish Synonyms

absurd silly unwise ridiculous irrational imprudent brainless idiotic stupid moronic ludicrous thoughtless senseless dumb mindless dopey fatuous ill-advised fool foolhardy nonsensical ill-considered goofy rash reckless asinine vacuous sheep-headed vacant shortsighted unthinking simple unsensible simple-minded unwary vagus zany trifling witless wild weak-minded wacky vapid vain shallow-brained unreasoned unreasonable thick terebrate temerarious