Synonyms for foolish

Similarity of adj foolish

2 senses of foolish

Sense 1:

foolish (vs. wise)
absurd, cockeyed, derisory, idiotic, laughable, ludicrous, nonsensical, preposterous, ridiculousasinine, fatuous, inane, mindless, vacuouscockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zanyfondharebrained, insane, madill-conceived, misguidedrattlebrained, rattlepated, scatterbrained, scattyunwise

Also See: impolitic#1; imprudent#1; inadvisable#1, unadvisable#1; ill-advised#1, unadvised#1

Sense 2:

anserine, dopy, dopey, foolish, goosey, goosy, gooselike, jerky
stupid (vs. smart)