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or loon·ey also lun·y (lo͞o′nē)Informal
adj. loon·i·er, loon·i·est also lun·i·er or lun·i·est
1. Extremely foolish or silly.
2. Mentally deranged; crazy.
n. pl. loon·ies or loon·eys also lun·ies
A foolish or crazy person.

[Shortening and alteration of lunatic, or from loon.]

loon′i·ly adv.
loon′i·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.looney - someone deranged and possibly dangerouslooney - someone deranged and possibly dangerous
colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
lunatic, madman, maniac - an insane person
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


or looney
also luny
2. Informal. Afflicted with or exhibiting irrationality and mental unsoundness:
Informal: bonkers, cracked, daffy, gaga.
Chiefly British: crackers.
Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad.
Informal. A person regarded as strange, eccentric, or crazy:
Informal: crank, loon.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
They call 'im the Looney Fishmonger in the Comp'ny, sir."
Looney comments, "We launched a successful fundraising campaign for schools last year with the i like book collection.
THE Stu Brown Sextet animates village halls in Wark and Corbridge with Looney Tunes in an evening exploring the weird and wonderful music of 'the man who made the cartoons swing'.
Today's bet The Bishop Looney 4.35 Navan 1pt win IT'S hard to know where to start when discussing another superb Cheltenham Festival.
If you google George Looney, you'll be asked if you meant to google George Clooney.
After exhibiting in and working trade shows for more than a decade, Ted Looney, international development advisor for the commercial cleaning franchise Jani-King, says he's noticed that some exhibitors don't completely utilize their resources.
THIS weekend's action at the Lost Paradise of Dilmun Water Park's 'Dive In Movies' extravaganza begins with Kangaroo Jack which will screened on Friday followed by Looney Tunes: Back in Action on Saturday.
James Looney insisted on showing her the safe way to use a pistol before they went to a firing range.
"Since President obama has come into office, there are numerous changes to employment law that will have significant impact on organizations--FMLA, Americans with Disability Act, Cobra, Fair Pay, to name a few," said Texas Credit Union League's Credit Union Employment Resources Human Resources Vice President Susan Looney. "So it is critical that HR professionals stay abreast of these changes not only in the law but in case law as well."
Among the most dedicated warriors in the cartoon platoons were the stars of Warner Brothers' Looney Tunes lineup: Bugs Bunny, Daffy Duck, Porky Pig, and even wabbit-huntin' Elmer Fudd, to name a few.
Christopher and Emily Looney have opened Looney Marketing at 4736 Royal Ave., Suite 234, in Eugene.
Looney III, to organize a better program to prepare airmen for ground duties.