looney

L1O1O1N1E1Y4

proper noun

A surname from Irish.

Similar
crazyloonynutcaseweirdo
OriginIrish Ó Luanaigh ← Middle Irish lúan →
Less commonScrabble 9
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Meanings

looney1

adjectivelooney (comparative more looney, superlative most looney)

comparative more looney · superlative most looney

  1. alternativeAlternative spelling of loony.
nounlooney (plural looneys)

plural looneys

  1. alternativeAlternative spelling of loony.

Looney2

proper nounLooney (plural Looneys)

plural Looneys · alternative Lunney

  1. A surname from Irish.

Synonyms & antonyms

nounsomeone deranged and possibly dangerous

Similar
crazyloonynutcaseweirdo
Broader
lunaticmaniac
Also see
crazyloonynutcaseweirdo

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

looney · adjective, noun

At least from 1829.

Full word history & related roots →

Looney · proper noun

  1. Middle Irishlúan“light, warrior's halo, warrior”
  2. IrishÓ Luanaigh“descendant of Luanach”
  3. EnglishLooney

Reduced Anglicized form of Irish Ó Luanaigh (“descendant of Luanach”), a personal name based on Middle Irish lúan (“light, warrior's halo, warrior”).

More words from Irish, Middle Irish

Full word history & related roots →

Rhymes & wordplay

Sounds the same

loonyloonielunyloonyloonieluny
Cite this entry
APA

looney. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/looney

MLA

“looney.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/looney. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “looney,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/looney.

Source: looney on Wiktionary, CC BY-SA 4.0.