freeze up

See also: freeze-up



freeze up (third-person singular simple present freezes up, present participle freezing up, simple past froze up, past participle frozen up)

  1. (intransitive) (of machines and software) To come to a sudden halt, stop working (functioning).
    Since the last update, the program freezes up after a few minutes of use.
  2. (intransitive) (of people and other animals) To stop or be stopped due to attentiveness, fear, surprise, etc.
    Despite all of the rehearsals, as soon as I got on stage I froze up.
  3. (intransitive) To become cold and formal in demeanour.