WACKY /ˈwæk.iː/ Scrabble 17 Words With Friends 17 Definition adjective ludicrous, foolish. — synonyms: goofy, silly, whacky, zany adjective informal or slang terms for mentally irregular. — synonyms: balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers See all 14 words you can make from WACKY → 5-letter words Words starting with W Words ending with Y ← Unscramble different letters