Definition of “jumper” - English Dictionary

“jumper” in British English

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jumpernoun [ C ]

uk /ˈdʒʌm.pər/ us /ˈdʒʌm.pɚ/

jumper noun [ C ] (CLOTHES)

A2 UK a piece of clothing with long sleeves that is usually made from wool, is worn on the upper part of the body and does not open at the front:

a red woolly jumper
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jumpers for goalposts

UK humorous used to refer to an informal way of playing football, often in the street and using clothes instead of goalposts, especially when you have happy memories of doing this when you were a child

US UK pinafore a dress that does not cover the arms and is usually worn over another piece of clothing that does cover the arms

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jumper noun [ C ] (IN THE AIR)

a person or animal that jumps

(Definition of “jumper” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“jumper” in American English

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jumpernoun [ C ]

us /ˈdʒʌm·pər/

a dress without sleeves that is usually worn over a shirt

Br A jumper is a sweater.

a person who can push himself or herself into the air using their legs and feet:

To dunk a basketball when you’re just six feet tall, you have to be a great jumper.

(Definition of “jumper” from the Cambridge Academic Content Dictionary © Cambridge University Press)