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Definition of loo

loo

/luː/
loo

Plural:loos
•
Past Simple:looed
•
Past Participle:looed
•
Present Participle:looing
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loo Lexical Profile

loo Game Scores & Validity

• noun

1

British An informal term for a toilet or lavatory.

Example

"Excuse me for a moment while I pop to the loo before the film starts."


2

A traditional trick-taking card game in which players who fail to win a trick must pay a penalty into the pool.

Example

"During the nineteenth century, the gentlemen often spent their evenings playing loo in the drawing room."

Synonyms
View all synonyms for loo

• verb

1

To subject a player to a forfeit or penalty for failing to win a trick in the card game of loo.

Example

"He was looed three times in a row and lost a significant sum to the table pool."

• Rhymes for loo

Word Origin & Etymology

The informal British word for a toilet emerged in the 1920s with an uncertain origin; a popular theory suggests it derives from 'gardyloo' (from French 'gare l'eau', meaning 'watch out for the water'), the traditional warning cry used before emptying chamber pots into the street.

Cite this Entry


Wordmom. (2026). Definition of Loo. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/loo
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