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jumper

1 American  
[juhm-per] / ˈdʒʌm pər /

noun

  1. a person or thing that jumps.

  2. Basketball. jump shot.

  3. Sports. a participant in a jumping event, as in track or skiing.

  4. Manège. a horse specially trained to jump obstacles.

  5. a boring tool or device worked with a jumping motion.

  6. Also called jump wireElectricity. a short length of conductor used to make a connection, usually temporary, between terminals of a circuit or to bypass a circuit.

  7. Also called jumper cablebooster cable.

  8. a kind of sled.

  9. Also called jumper stayNautical. a line preventing the end of a spar or boom from being lifted out of place.

  10. any of various fishes that leap from the water, as the striped mullet or jumprock.


jumper 2 American  
[juhm-per] / ˈdʒʌm pər /

noun

  1. a one-piece, sleeveless dress, or a skirt with straps and a complete or partial bodice, usually worn over a blouse by women and children.

  2. a loose outer jacket worn especially by workers and sailors.

  3. British. a pullover sweater.

  4. jumpers, rompers.


jumper 1 British  
/ ˈdʒʌmpə /

noun

  1. a boring tool that works by repeated impact, such as a steel bit in a hammer drill used in boring rock

  2. Also called: jumper cable.   jumper lead.  a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component

  3. a type of sled with a high crosspiece

  4. a person or animal that jumps

  5. derogatory a person who changes religion; a convert

"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

jumper 2 British  
/ ˈdʒʌmpə /

noun

  1. a knitted or crocheted garment covering the upper part of the body

  2. Also called: pinafore dress.  a sleeveless dress worn over a blouse or sweater

"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

Etymology

Origin of jumper1

First recorded in 1605–15; jump + -er 1

Origin of jumper2

First recorded in 1850–55; obsolete jump “short coat” (of uncertain origin) + -er 1

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.

Partey wore dark grey trousers, a black jumper over a white shirt, and smart black shoes to the court.

From BBC • Apr. 13, 2026

Defending state champion high jumper JJ Harel from Sherman Oaks Notre Dame will compete even though he only recently returned to full-time practice.

From Los Angeles Times • Apr. 11, 2026

Redick credited the 21-year-old with settling the team with a pull-up jumper with 3:55 to go in the game, which was the second this season LeBron and Bronny played together.

From Los Angeles Times • Mar. 28, 2026

Swapping her usual one-tone trouser suit for a woolly jumper with sparkles, Meloni fielded questions for an hour from the tattoo-covered rapper and his popular co-host.

From BBC • Mar. 21, 2026

Stephen Kellner, with his long legs and Teutonic jumping strength, was an excellent fire jumper.

From "Darius the Great Is Not Okay" by Adib Khorram