English Explanatory Dictionary

jettison

English dictionary entry

Meanings

noun
  1. Items that have been or are about to be ejected from a boat or balloon.
  2. The action of jettisoning items.
verb
  1. To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
  2. To let go or get rid of as being useless or defective.

Pronunciation

/ˈd͡ʒɛɾəsən/ /ˈd͡ʒɛtɪsən/ /ˈd͡ʒɛtɪsn̩/ /-zn̩/ en-us-jettison.ogg en-au-jettison.ogg

Word forms

jettison jettisons jettisoning jettisoned

Etymology

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.

Synonyms

jetsam ballast discard chuck ditch dump junk lose 86 bin can cast aside cast off cast away chuck away chuck out dispose of get rid of jettison pitch scrap shift throw aside throw away throw out toss trash

Derived words

jettisonable unjettisoned
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