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Synonyms

jettison

American  
[jet-uh-suhn, -zuhn] / ˈdʒɛt ə sən, -zən /

verb (used with object)

  • jettisons,
    present (3rd person singular)
  • jettisoned,
    past participle,  past
  • jettisoning
    present participle
  1. to cast (goods) overboard in order to lighten a vessel or aircraft or to improve its stability in an emergency.

  2. to throw off (something) as an obstacle or burden; discard.

  3. Cards. to discard (an unwanted card or cards).


noun

  1. the act of casting goods from a vessel or aircraft to lighten or stabilize it.

  2. jetsam.

jettison British  
/ ˈdʒɛtɪsən, -zən /

verb

  1. to throw away; abandon

    to jettison old clothes

  2. to throw overboard

"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

noun

  1. another word for jetsam

"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

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of jettison

1375–1425; late Middle English jetteson < Anglo-French; Old French getaison ≪ Latin jactātiōn- (stem of jactātiō ) jactation

Explanation

Jettison means to push to the side or toss away. If a boat is leaking or an airplane is running out of fuel, you can buy more time by jettisoning cargo, or throwing it overboard. The word jettison — dating, in its nautical meaning, from the 15th century in English — is commonly used figuratively as well as literally. You can jettison a friendship or an attitude. During the month that the Winter Olympics are aired on TV, figure-skating fans across the country jettison homework and other responsibilities in order to watch.

Keep Reading on Vocabulary.com

Vocabulary lists containing jettison

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.

See Examples For:

She instructed us to write down things we were “done with”—objects and emotions we were ready to jettison from our lives.

From The Wall Street Journal ● Jul. 29, 2026

Markets aren’t cynical enough to jettison their bets on tech, however, and continue to ride the sector’s extraordinary gains into the start of the new month.

From Barron's ● Jun. 1, 2026

High-profile announcements from companies over the past few years promising to jettison the bachelor’s degree as a hiring requirement largely haven’t resulted in action.

From MarketWatch ● Oct. 25, 2025

"He managed to change his voice and not jettison or sacrifice any of his Welshness. You hear the same thing in Anthony Hopkins," Mr Talfan said.

From BBC ● Feb. 13, 2025

To get even to the nearest star, you would need an enormous amount of fuel to jettison out the back of the rocket—a tremendous waste.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

In his directorial debut, John Travolta takes a swing so big that it knocks him off his feet and jettisons him into the air — 30,000 feet in the air, to be exact.

From Salon ● Jun. 10, 2026

The new approach jettisons everything we’ve learned over 60 years: that international development is successful when lasting partnerships are built upon a foundation of goodwill.

From Slate ● Apr. 23, 2026

Ultimately, Franco jettisons his characters for the sake of unearned plot twists that leave the viewer feeling only icky.

From Los Angeles Times ● Feb. 27, 2026

The Tony recognizes Groff’s empathetic portrayal of Franklin Shepard, a Juilliard-trained composer who jettisons his youthful idealism, his stage career and his co-writer to become a successful film producer.

From New York Times ● Jun. 16, 2024

It jettisons redemption by excluding from the Redeemer all kinship with that which He came to redeem.

From Monophysitism Past and Present A Study in Christology by A. A. (Arthur Aston) Luce

These experiences came to mind while hearing Danny take on a yet-to-be-previously attempted vampire voice as he dodged dirty looks and jettisoned drinkware.

From Salon ● Jul. 31, 2026

It was one of the reasons Guardiola jettisoned Joe Hart upon arrival at Etihad Stadium.

From BBC ● May 18, 2026

As the board seized control, Tessellations jettisoned its holistic approach to identifying giftedness in favor of traditional IQ tests.

From The Wall Street Journal ● Apr. 30, 2026

It could learn from India, which jettisoned antipathy toward Israel in the early 1990s, at around the same time that it embraced a more market-based economic outlook.

From The Wall Street Journal ● Apr. 22, 2026

When I lowered my arm, I screamed, thinking the sluggers had jettisoned me into space.

From "We Are the Ants" by Shaun David Hutchinson

But, amid the hand-wringing and reviews, O'Shea believes the RFU was bounced too quickly into jettisoning a coaching group, which was led by Stuart Lancaster and also contained Farrell, Graham Rowntree and Mike Catt.

From BBC ● Sep. 9, 2026

Plenty of investors these days are jettisoning anything that seems risky from their portfolios, but things that look like junk may not be.

From The Wall Street Journal ● Apr. 6, 2026

What we found could help calm some nerves, and might even stop investors from making the mistake of jettisoning the big winners too early.

From Barron's ● Dec. 3, 2025

A cyclist on Ngapipi Bridge, a mile away, heard a splash underneath him—Dillais jettisoning the motor—then saw the Zodiac coast under the bridge into Hobson Bay.

From Slate ● Jul. 22, 2025

Basketball players did passing drills on deck, but the wind kept jettisoning the balls into the Atlantic.

From "Unbroken" by Laura Hillenbrand

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