American English

Definition of jettison verb from the Oxford Advanced American Dictionary



    , NAmE//ˈdʒɛt̮əzn//
    Verb Forms present simple I / you / we / they jettison
    he / she / it jettisons
    past simple jettisoned
    -ing form jettisoning
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  1. 1 jettison something to throw something out of a moving plane or ship to make it lighter to jettison fuel
  2. 2 jettison something/somebody to get rid of something or someone that you no longer need or want synonym discard He was jettisoned as team coach after the defeat.
  3. 3 jettison something to reject an idea, belief, plan, etc. that you no longer think is useful or likely to be successful synonym abandon
See the Oxford Advanced Learner's Dictionary entry: jettison