looney

US:USA pronunciation: respellingUSA pronunciation: respelling(lo̅o̅′nē)


WordReference Random House Unabridged Dictionary of American English © 2025
loon•ey  (lo̅o̅′nē),USA pronunciation adj. loon•i•er, loon•i•est, n., pl. loon•eys, loon•ies. 
  1. loony.

WordReference Random House Learner's Dictionary of American English © 2025
loon•y or loon•ey /ˈluni/USA pronunciation   adj., -i•er, -i•est, n., pl. -ies or -eys. [Informal.]
adj. 
  1. lunatic;
    insane.
  2. extremely foolish.

n. [countable]
  1. a lunatic.

WordReference Random House Unabridged Dictionary of American English © 2025
loon•y  (lo̅o̅′nē),USA pronunciation adj., loon•i•er, loon•i•est, n., pl. loon•ies. [Informal.]
adj. 
  1. lunatic;
    insane.
  2. extremely or senselessly foolish.

n. 
  1. a lunatic.
Also, looney, luny. 
  • lun(atic) + -y2 1860–65
loon′i•ness, n. 

loon•y  (lo̅o̅′nē),USA pronunciation n., pl. loon•ies. 
  1. loonie.

Collins Concise English Dictionary © HarperCollins Publishers::
loony, looney, luny / ˈluːnɪ/ (loonier, looniest, lunier, luniest)
  1. mentally disordered
  2. foolish or ridiculous
 (loonies, looneys, lunies)
  1. a foolish person
  2. a mentally disordered person
ˈlooniness, ˈluniness
'looney' also found in these entries (note: many are not synonyms or translations):
loony - loony tunes

Forum discussions with the word(s) "looney" in the title:


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