Found 2 items, similar to looney.
English → English (WordNet) Definition: looney looney n : someone deranged and possibly dangerous [syn: crazy, loony, weirdo]
English → English (gcide) Definition: looney looney \looney\ (l[=oo]n"[y^]) n. someone deranged and possibly dangerous. Syn: crazy, loony, weirdo. [WordNet 1.5] loony \loon"y\ (l[=oo]n"[y^]), a. [Shortened fr. lunatic.] 1. Crazy; insane; lunatic; mentally unsound. [Low, U.S.] [Written also loony, luny and looney.] See Luny. [1913 Webster] 2. Very foolish; very impractical; as, loony ideas. [PJC] Luny \Lu"ny\, a. [Shortened fr. lunatic.] Crazy; insane; mentally unsound. [Written also loony and looney.] [Low, U.S.] [1913 Webster]