Definition of pack up or in in English:

pack up (or in)

British informal (Of a machine) break down: the immersion heater has packed up at Gatwick, the engine packed in
More example sentences
  • Things got so bad during Wednesday's gargantuan meeting that the overworked coffee machine packed up.
  • But somehow - and this is where my memory of the interview almost completely packs up on me - I stumbled to the end of the answer.
  • Next time the freezer packs up I'll hope it's in winter!
Synonyms
break down, stop working, cease to work/function, fail, give out, stall, come to a halt, develop a fault, malfunction, go wrong, break, act up, be defective/faulty, crash
informal conk out, go kaput, go phut
British informal play up
See parent entry: pack

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Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous