English

Definition of jettison verb from the Oxford Advanced Learner's Dictionary

     

    jettison

     verb
    verb
    BrE BrE//ˈdʒetɪsn//
     
    ; NAmE NAmE//ˈdʒetɪsn//
     
    Verb Forms present simple I / you / we / they jettison
    BrE BrE//ˈdʒetɪsn//
     
    ; NAmE NAmE//ˈdʒetɪsn//
     
    he / she / it jettisons
    BrE BrE//ˈdʒetɪsnz//
     
    ; NAmE NAmE//ˈdʒetɪsnz//
     
    past simple jettisoned
    BrE BrE//ˈdʒetɪsnd//
     
    ; NAmE NAmE//ˈdʒetɪsnd//
     
    past participle jettisoned
    BrE BrE//ˈdʒetɪsnd//
     
    ; NAmE NAmE//ˈdʒetɪsnd//
     
    -ing form jettisoning
    BrE BrE//ˈdʒetɪsnɪŋ//
     
    ; NAmE NAmE//ˈdʒetɪsnɪŋ//
     
    Travelling by boat or ship
     
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  1. 1jettison something to throw something out of a moving plane or ship to make it lighter to jettison fuel See related entries: Travelling by boat or ship
  2. 2jettison something/somebody to get rid of something/somebody that you no longer need or want synonym discard He was jettisoned as team coach after the defeat.
  3. 3jettison something to reject an idea, a belief, a plan, etc. that you no longer think is useful or likely to be successful synonym abandon
  4. Word Origin late Middle English (as a noun denoting the throwing of goods overboard to lighten a ship in distress): from Old French getaison, from Latin jactatio(n-), from jactare ‘to throw’, frequentative of jacere ‘to throw’. The verb dates from the mid 19th cent.
See the Oxford Advanced American Dictionary entry: jettison