jettison

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jettison

  • /ˈd͡ʒɛtɪsn̩/ UK
  • /-zn̩/ UK
  • /ˈdʒɛt.ə.s(ə)n/ US
  • /ˈdʒɛt.ə.z(ə)n/ US
  • [-ɾ-] US

Where it comes from

From Anglo-Norman getteson, from Old French getaison, from geter, jeter (modern French: would be *jetaison like pendaison); possibly from a Vulgar Latin *iectātiō, from *iectātus < iectāre, from Latin iactō. Doublet of jetsam.

noun jettisons

  1. collective, uncountable Items that have been or are about to be ejected from a boat or balloon to lighten the vessel. The shoreline was littered with the floating jettison from the wrecked freighter.

    Similar: jetsam ballast

  2. countable The act of throwing goods overboard to lighten a ship or aircraft in distress. The captain ordered the immediate jettison of the heavy cargo to save the sinking ship.

verb jettisons · jettisoning · jettisoned

  1. To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load. The ballooners had to jettison all of their sand bags to make it over the final hill.

    Similar: cast off, discard

  2. figuratively To let go or get rid of as being useless or defective. Among the most modern of all the Pacific stock in Great Britain is the stud of "Merchant Navy" and "West Country" Pacifics on the Southern Region, and the rebuilding which is now being carried out, preserving all the best features of the Bulleid designs—such as the free-steaming boiler—and jettisoni

    Similar: discard, chuck, ditch, dump, junk, lose, 86, bin, can, cast aside, cast off, cast away · Opposite: adopt, embrace, keep, retain

Translations

Every language

noun collectively, items that have been or are about to be ejected from a boat or balloon

中文拋棄 /抛弃 pāoqì
Portuguêslastro
Françaislest
DeutschBallast
Русскийбалла́ст ballást

noun the action of jettisoning items

Françaisdélestage, largage
DeutschAbwerfen
Русскийсброс sbros, выбра́сывание vybrásyvanije
עבריתהֲטָלָה לַיָּם hatala layam

verb to eject from a boat

Españolechar del
Portuguêsdeslastrar
Françaisdélester, larguer, jeter par-dessus bord
Deutschüber Bord werfen, Ballast abwerfen, abwerfen
Italianogettare in mare
Русскийсбра́сывать sbrásyvatʹ, сбро́сить sbrósitʹ
עבריתהֵטִיל לַיָּם hetil layam

verb to let go or get rid of

Portuguêsjogar fora, livrar-se de
Françaisse débarrasser, abandonner, balancer
Deutschloswerden
Italianogettare, buttare, espellere
Русскийвыбра́сывать vybrásyvatʹ, вы́бросить výbrositʹ

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Cite this
MLA

"jettison." Wiktionary, via Micwyn, micwyn.com/word/jettison. Accessed 6 Nov. 2026.

APA

jettison. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/jettison

Chicago

"jettison." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/jettison.

BibTeX
@misc{jettison_2026,
  title = {jettison},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/jettison},
  urldate = {2026-11-06}
}