LOOPY /ˈluːpi/ ► audio Scrabble 10 Words With Friends 11 Definition adjective consisting of or covered with or having loops. adjective informal or slang terms for mentally irregular. — synonyms: balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers Examples “A loopy rollercoaster.” See all 14 words you can make from LOOPY → 5-letter words Words starting with L Words ending with Y ← Unscramble different letters