Search Result for "looney": 
Wordnet 3.0

NOUN (1)

1. someone deranged and possibly dangerous;
[syn: crazy, loony, looney, nutcase, weirdo]

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4 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

looney \looney\ (l[=oo]n"[y^]) n. someone deranged and possibly dangerous. Syn: crazy, loony, weirdo. [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:

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]
The Collaborative International Dictionary of English v.0.48:

Luny \Lu"ny\, a. [Shortened fr. lunatic.] Crazy; insane; mentally unsound. [Written also loony and looney.] [Low, U.S.] [1913 Webster]
WordNet (r) 3.0 (2006):

looney n 1: someone deranged and possibly dangerous [syn: crazy, loony, looney, nutcase, weirdo]