wacky

• POS: Adjective
• HYPHEN: wack=y

CIDE DICTIONARY

wacky, n. [G. wacke, MHG. wacke a large stone, OHG. waggo a pebble.].

 A soft, earthy, dark-colored rock or clay derived from the alteration of basalt.  [1913 Webster]

OXFORD DICTIONARY

wacky, adj. & n. (also whacky) sl.
--adj. (-ier, -iest) crazy.
--n. (pl. -ies) a crazy person.

Derivative

wackily adv. wackiness n.

Etymology

orig. dial., = left-handed, f. WHACK

THESAURUS

wacky

abnormal, absurd, anomalous, apish, asinine, balmy, bananas, barmy, bats, batty, beany, befooled, beguiled, besotted, bonkers, brainless, buffoonish, buggy, bughouse, bugs, cockeyed, cracked, crackers, crank, crankish, cranky, crazed, crazy, credulous, crotchety, cuckoo, daffy, daft, dazed, demented, deranged, deviant, deviative, different, dippy, divergent, dizzy, doting, dotty, dumb, eccentric, erratic, exceptional, fatuitous, fatuous, fey, flaky, flipped, fond, fool, foolheaded, foolish, freaked-out, freakish, fruitcakey, fruity, fuddled, funny, futile, gaga, goofy, gulled, harebrained, haywire, idiocratic, idiosyncratic, idiotic, imbecile, inane, inept, infatuated, insane, irregular, just plain nuts, kinky, kooky, loony, loopy, lunatic, mad, maggoty, maudlin, moronic, nuts, nutty, odd, oddball, off the hinges, off the track, off the wall, peculiar, potty, preposterous, queer, quirky, round the bend, sappy, screwball, screwballs, screwy, senseless, sentimental, silly, singular, slaphappy, strange, stupid, thoughtless, twisted, unconventional, unnatural, wet, whimsical, witless