jam up

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See also: jam-up

English

Verb

jam up (third-person singular simple present jams up, present participle jamming up, simple past and past participle jammed up)

  1. (transitive) To cause (something) to become blocked or clogged; to clog up.
  2. (intransitive) To become blocked or clogged.
    The traffic jammed up on the boulevard.
  3. (transitive, figurative) To cause trouble; to stop or inhibit (someone, something).

Derived terms