WACKY
balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky
(adjective) informal or slang terms for mentally irregular; “it used to drive my husband balmy”
goofy, silly, wacky, whacky, zany
(adjective) ludicrous, foolish; “wore a goofy hat”; “a silly idea”; “some wacky plan for selling more books”
Source: WordNet® 3.1
Etymology 1
Adjective
wacky (comparative wackier, superlative wackiest)
zany; eccentric
Synonyms
• eccentric, zany
Etymology 2
Noun
wacky (countable and uncountable, plural wackies)
Alternative form of wacke
Anagrams
• cawky
Source: Wiktionary
Wack"e, Wack"y, n. Etym: [G. wacke, MHG.wacke a large stone, OHG.
waggo a pebble.] (Geol.)
Definition: A soft, earthy, dark-colored rock or clay derived from the
alteration of basalt.
Source: Webster’s Unabridged Dictionary 1913 Edition