Dictionary.com

jettison

[ jet-uh-suhn, -zuhn ]
/ ˈdʒɛt ə sən, -zən /
Save This Word!

verb (used with object)

to cast (goods) overboard in order to lighten a vessel or aircraft or to improve its stability in an emergency.
to throw off (something) as an obstacle or burden; discard.
Cards. to discard (an unwanted card or cards).

noun

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

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of jettison

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

OTHER WORDS FROM jettison

jet·ti·son·a·ble, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for jettison

British Dictionary definitions for jettison

jettison
/ (ˈdʒɛtɪsən, -zən) /

verb -sons, -soning or -soned (tr)

to throw away; abandonto jettison old clothes
to throw overboard

noun

another word for jetsam (def. 1)

Word Origin for jettison

C15: from Old French getaison, ultimately from Latin jactātiō a tossing about; see jactation
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
Tired of Typos? Get Help Now!