jack

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See also Jack

Pronunciation[change]

Noun[change]

Singular
jack

Plural
jacks

  1. (countable) A jack is a machine for lifting heavy thing. Often a jack is used to lift a car for fixing.
  2. (countable) A jack is a plug or connector for electronics.
  3. (countable) A jack is a flag used at by ships at sea.
  4. (uncountable); (slang) Another word for nothing.
  5. (countable) A jack is a playing card with a J on it.


Verb[change]

Plain form
jack

Third-person singular
jacks

Past tense
jacked

Past participle
jacked

Present participle
jacking

  1. (transitive) To use a jack.
    He jacked the car up so that he could replace the brake pads.
  2. (transitive) To steal.
    Someone jacked my car last night!