louse

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louse¹

  • /laʊs/ UK

Rhymes with -aʊs

Where it comes from

From Middle English lous, lows, lowse, from Old English lūs, from Proto-West Germanic *lūs, from Proto-Germanic *lūs, from Proto-Indo-European *lewH-.

Cognate with West Frisian lûs, Dutch luis, German Low German Luus, German Laus, Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish lus, Faroese and Icelandic lús; also Welsh llau (“lice”), Tocharian B luwo, maybe Sanskrit यूका (yūkā).

noun lice · louses

  1. A small parasitic wingless insect of the order Psocodea.

    Similar: arithmetic bug, cootie, leaping dandruff

  2. colloquial, dated A contemptible person; one who is deceitful or causes harm. He said: "Thanks, friend; but you're wasting your time. You better warn Crocker. If that louse makes a play for me, he'll get hit with Chicago lightning!"

    Similar: maggot, worm

  3. slang The currency sign ¤.

verb louses · lousing · loused

  1. transitive To remove lice from; to delouse. ‘Nor have I combed, washed or loused myself this six months past, there being so few daring deeds to do on this Highway.’

louse²

verb louses · lousing · loused

  1. obsolete Obsolete form of loose To ſome it louſeth the belly verie freelie, but not at the firſt. Others thinks it bindeth them. Yet it ſeemeth to louſe moe then it bindeth.

noun louses

  1. obsolete Obsolete form of loose

Translations

Every language

noun an insect of the order Psocodea

Españolpiojo
한국어이 i
日本語虱 shirami, シラミ shirami, 寄生虫 kiseichū
中文蝨子 /虱子 shīzi
हिन्दीजूँ jū̃
Kiswahilichawa
Portuguêspiolho
Françaispou
DeutschLaus
Italianopidocchio
Ελληνικάψείρα pseíra
Românăpăduche
Русскийвошь vošʹ, вши vši, во́шка vóška
Tiếng Việtrận, chí, chấy
العربيةقَمْلَة qamla, قَمْل qaml
עבריתכִּנָּה kiná

noun worthless person

Españolsinvergüenza, canalla
中文寄生虫 jìshēngchǒng
Kiswahilichawa
Portuguêspiolho, sem-vergonha, canalha
Françaissalaud, salaude, salop, salope, salopard, saloparde
DeutschDreckskerl, Dreckkerl, Lumpenhund, Lumpenkerl
Ελληνικάκοπρόσκυλον kopróskylon, ασυνείδητος asyneíditos
Românăpăduche
Русскийгни́да gnída, гад gad, га́дская кровь gádskaja krovʹ

verb To remove lice

Españoldespiojar
Françaisépouiller
Deutschlausen
Русскийиска́ть вшей iskátʹ všej, вычёсывать вшей vyčósyvatʹ všej
العربيةقِمْلَة qimla

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Cite this
MLA

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

APA

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

Chicago

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

BibTeX
@misc{louse_2026,
  title = {louse},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/louse},
  urldate = {2026-11-06}
}