Word Study
goofy
CIDE DICTIONARY
goofy, adj.
foolish and silly, or appearing silly; as, he wore a goofy hat. [WordNet 1.5]
OXFORD DICTIONARY
goofy, adj. (goofier, goofiest)
1 stupid, silly, daft.
2 having protruding or crooked front teeth.
1 stupid, silly, daft.
2 having protruding or crooked front teeth.
Derivative
goofily adv. goofiness n.
THESAURUS
goofy
apish, asinine, balmy, bananas, barmy, bats, batty, beany, befooled, beguiled, besotted, bonkers, brainless, buffoonish, buggy, bughouse, bugs, cockeyed, crackers, crazy, credulous, cuckoo, daffy, daft, dazed, dippy, dizzy, doting, dotty, dumb, fatuitous, fatuous, flaky, flipped, fond, fool, foolheaded, foolish, freaked-out, fruitcakey, fruity, fuddled, futile, gaga, gulled, haywire, idiotic, imbecile, inane, inept, infatuated, insane, just plain nuts, kooky, loony, loopy, mad, maudlin, moronic, nuts, nutty, off the hinges, off the track, off the wall, potty, round the bend, sappy, screwball, screwballs, screwy, senseless, sentimental, silly, slaphappy, stupid, thoughtless, wacky, wet, witlessFor further exploring for "goofy" in Webster Dictionary Online