louse

From Middle English lous, lows, lowse, from Old English lūs, from Proto-Germanic *lūs (compare West Frisian lûs, Dutch luis, German Low German Luus, German Laus, from Proto-Indo-European *lewH- (compare Welsh llau (“lice”), Tocharian B luwo, maybe Sanskrit यूका (yūkā)).

• (UK) IPA^(key): /laʊs/

• Audio

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• Rhymes: -aʊs

louse (plural lice or louses)

1. A small parasitic wingless insect of the order Psocodea.
2. (colloquial, dated, not usually used in plural form) A contemptible person; one who is deceitful or causes harm.
   • 1946, Joseph Thompson Shaw, The hard-boiled omnibus: early stories from Black Mask (page 388)

     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!"

   • 1949, Diamonds Are a Girl's Best Friend (song)

     It's then that those louses go back to their spouses. Diamonds are a girl's best friend.

• When used as a term of abuse, the plural is typically louses, though lice is also possible.

• (insect): (North America) cootie
• (contemptible person): maggot, worm

louse (third-person singular simple present louses, present participle lousing, simple past and past participle loused)

1. To remove lice from.

• delouse

• Eolus, Seoul, Soule, loues, oules, ousel, soule

louse

1. Alternative form of lous