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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:

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

For one day a week, employees could jettison their suits and pantyhose and heels and wear… no one was quite sure at first, although Levi’s Dockers played a big role, at least for men.

From The Wall Street Journal ● Nov. 28, 2025

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

In public, Manchester United head coach Ruben Amorim tried to counter the view that he wanted to jettison Rashford.

From BBC ● Feb. 2, 2025

On the other hand, we had to be a hundred percent certain not to jettison the parachutes before the spacecraft hit the water.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

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

Although they live within their means, Man-su’s termination jettisons the You family from their tax bracket and thrusts its patriarch down a rabbit hole of shame and emasculation.

From Salon ● Oct. 7, 2025

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

The book written by David Thompson with Sharon Washington maintains the film’s immediate post-World War II jubilance but jettisons much of the plot that was specific to De Niro and Minnelli.

From Los Angeles Times ● Apr. 26, 2023

The starfish is often in the dilemma of losing a limb or its life; by a reflex action it jettisons the captured arm and escapes.

From The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told by J. Arthur Thomson

Traditional summer-camp activities, such as color wars, were quickly jettisoned for onstage interviews and meet-and-greets with Waters and his colleagues.

From The Wall Street Journal ● Sep. 20, 2026

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

Without Stokes' all-round abilities, the hosts have had to bolster their batting by bringing in debutant Jordan Cox, and add to their seam bowling with Sonny Baker, meaning Bashir has been jettisoned.

From BBC ● Jun. 16, 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

Once, when they hadn’t had enough space in the trunk of the Rabbit, Mia had jettisoned half of her clothing to make room.

From "Little Fires Everywhere" by Celeste Ng

In recent years the airline has scaled back its route network, jettisoning money-losing flights to focus on its core business serving East Coast leisure destinations.

From The Wall Street Journal ● Oct. 26, 2026

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

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

It’s hard to imagine that Les Snead and Sean McVay were not in lockstep over jettisoning Ernest Jones and getting next to nothing in return.

From Los Angeles Times ● Sep. 21, 2024

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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