foolish Synonyms

absurd ridiculous unwise silly dopey imprudent brainless irrational idiotic unthinking unsensible unreasoned unreasonable unmeaning ungifted uncautious unadvised unadvisable unwary undiplomatic wacky vapid witless vain vagus vacuous vacant zany ill-advised wild trifling skin-deep simplistic simple-minded simple shortsighted sheep-headed shallow-brained shallow senseless sappy risible slow-witted soft tomfool thoughtless thick-headed thick terebrate temerarious