loon

English · Français · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

loon¹

  • /ˈluːn/

Rhymes with -uːn

Where it comes from

From Middle English louen, lowen (“rascal; rogue”), probably of Middle Dutch or Middle Low German origin. Compare Dutch loen (“simpleton”). Or, related to etymology 2, due to the bird's loud cry. Folk etymology associates it slang-wise with lunatic, though the latter may have influenced it; see loony.

noun loons

  1. slang A crazy or deranged person; a lunatic. An electric fire came next, followed by an umbrella and then a colander. "This bowl will carry no water," he muttered. "Some loon hath pierced it with holes."

    Similar: lunatic, psycho, wacko

  2. obsolete An idler, a lout. The diuell damne thee blacke, thou cream-fac'd Loone: Where got'ſt thou that Gooſe-looke.
  3. Scotland, Ulster A boy, a lad.
  4. Scotland A harlot; mistress.
  5. Scotland A simpleton.
  6. Ireland, historical An English soldier of an expeditionary army in Ireland.
  7. A round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.

    Similar: bulb-out

  8. abbreviation, clipping Clipping of balloon

loon²

  • /ˈluːn/

Rhymes with -uːn

Where it comes from

Of North Germanic origin, from Old Norse lómr (“loon”), ultimately imitative of the bird's cry, particularly when it's in danger. Distantly related to lament, probably sharing Proto-Indo-European *leh₂- (expressive root).

noun loons

  1. Canada, US Any of various birds, of the order Gaviiformes, of North America and Europe that dive for fish and have a short tail, webbed feet and a yodeling cry. The Loone is an ill ſhap'd thing like a Cormorant; but that he can neyther goe nor flye; he maketh a noiſe ſometimes like a Sovvgelders horne.

    Similar: diver

Loon³

proper noun

  1. A municipality of Bohol, Philippines.

Thesaurus

Closest in meaning: birdbrain, diver, addle-head, stupid, idiot, fool, moron, imbecile, nong, crackpot, lunatic, crazy, nutcase, throated, kinless, yong

Translations

Every language

noun a crazy person

Españollunático
Portuguêsdoido, louco, maluco
Françaisfou
DeutschBekloppter, Verrückter, Irrer, Spinner
Italianomatto, scemo, stolto, fannullone
Ελληνικάπαλαβός palavós
Русскийбезумец bezumec

noun idler

DeutschTraumtänzer, Faulenzer

noun bird of order Gaviiformes

Españolcolimbo
한국어아비 abi
日本語嘴黒阿比 hashiguroabi
中文潛鳥 /潜鸟 qiánniǎo
Portuguêsmobelha, mergulhão
Françaisplongeon, huard
DeutschSeetaucher
Italianostrolaga
Românăcufundar, bodârlău, corcodel
Русскийгага́ра gagára

Talk about this word

Cite this
MLA

"loon." Wiktionary, via Micwyn, micwyn.com/word/loon. Accessed 6 Nov. 2026.

APA

loon. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/loon

Chicago

"loon." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/loon.

BibTeX
@misc{loon_2026,
  title = {loon},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/loon},
  urldate = {2026-11-06}
}