adjective, lun·i·er, lun·i·est, noun, plural lun·ies.
or loon·ey, lun·y
adjective, loon·i·er, loon·i·est.
noun, plural loon·ies.
Origin of loony1
Examples from the Web for luny
"I ain't surprised at anything from that luny," said another voice.A Son of Hagar|Sir Hall Caine
Then, à propos of marriages, she grew confidential and almost tearful about their distresses in the case of their daughter "Luny."Boston Neighbours In Town and Out|Agnes Blake Poor
Mother says I was luny most of the time after they struck in.The Story Girl|Lucy Maud Montgomery
Moral: People who expect to be Luny will find it safer to travel in a Bunch.Fables in Slang|George Ade
Even then you talked of her only when the knock on your head sent you luny.For the Soul of Rafael|Marah Ellis Ryan
looney or luny
adjective loonier, looniest, lunier or luniest
noun plural loonies, looneys or lunies
also loonie, looney, 1853, American English, short for lunatic, but also influenced by loon (n.2) and perhaps loon (n.1), the bird being noted for its wild cry and method of escaping from danger. As a noun by 1884, from the adjective. Slang loony bin "insane asylum" is from 1919. Looney left in reference to holders of political views felt to be left-wing in the extreme is from 1977. Looney Tunes, Warner Bros. studios' animated cartoon series, dates from 1930.