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surge (EN)
noun, verb

noun “surge”

singular surge, plural surges or uncountable
  1. a quick and temporary large increase or rush
    After the announcement, there was a surge in ticket sales.
  2. a sudden spike in electrical voltage and current
    The lightning strike caused a surge that fried my computer's motherboard.

verb “surge”

infinitive surge; he surges; past tense surged; past part. surged; ger. surging
  1. to experience a quick and large increase or rush
    Interest in online courses surged during the lockdown.
  2. to move forward quickly, especially all of a sudden
    The crowd surged forward as the concert gates opened.