jack-knife


Definition: Meaning of, jack-knife in English to English dictionary.

Pronunciation: / dʒak nʌɪf /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
jack-knife jack-knives
[countable]
  1. a knife with a blade that folds into its handle
    SYNONYM
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    ANTONYM
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  2. a DIVE in which you bend at the waist when you are in the air
    SYNONYM
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    ANTONYM
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synonym
antonym
  • verb
  • synonym
  • antonym
Word Forms:
Prsesent Past Past Participle
Present Participle Third Person Singular
[intransitive]
  1. if a large vehicle with two parts jack-knifes, it slides out of control and the back part swings towards the front part
    SYNONYM
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    ANTONYM
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synonym
antonym