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Synonyms

loo

1 American  
[loo] / lu /

noun

loos plural
  1. a card game in which forfeits are paid into a pool.

  2. the forfeit or sum paid into the pool.

  3. the fact of being looed.


verb (used with object)

looed, looing
  1. to subject to a forfeit at loo.

loo 2 American  
[loo] / lu /

noun

British Informal.
loos plural
  1. toilet.


loo 3 American  
[loo] / lu /

verb (used with or without object)

Chiefly Northern U.S.
loos plural
  1. low.


loo 4 American  
[loo] / lu /

noun

loos plural
  1. Scots. love.


loo 1 British  
/ luː /

noun

  1. a gambling card game

  2. a stake used in this game

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

loo 2 British  
/ luː /

noun

  1. an informal word for lavatory

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

loo 3 British  
/ luː /

verb

  1. a variant spelling of lou

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

Etymology

Origin of loo1

First recorded in 1665–75; short for lanterloo, from Dutch lanterlu, from French lantur(e)lu, a special use of a meaningless refrain of an old song

Origin of loo2

First recorded in 1935–40; of uncertain origin; perhaps from French lieux (d'aisances) “latrines, toilets,” literally, “places of ease”; perhaps a pun on the place name Waterloo, based on water closet

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Those hoping for bolder spending are likely to be disappointed, said Alex Loo at TD Securities.

From The Wall Street Journal • Mar. 2, 2026

Scientists at the Yong Loo Lin School of Medicine at the National University of Singapore have identified a protein that may help restore the brain's ability to produce new cells as it ages.

From Science Daily • Feb. 12, 2026

The Loo of the Year Awards first started in 1987, holding washrooms to the highest standard in terms of accessibility, hygiene, repair, and facilities.

From BBC • Feb. 4, 2026

Jen’s mother Agnes — Loo Shu-hsin, as she was originally named — was born in 1925 Shanghai to a wealthy and prominent banker and his much younger wife.

From Los Angeles Times • Oct. 17, 2025

She climbed up, out of her cushions to close the door, and glanced over at the bed, where she saw only Loo, facedown in a pillow.

From "Orphan Island" by Laurel Snyder

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