D defs.my
Entry 1 sense Webster, 1913

Amuck

/(ȧ*mŭk")/ · A·muck · IPA /əˈmʌk/
01 a. & adv. In a frenzied and reckless manner.
  1. 1.
    In a frenzied and reckless manner.
    “Satire's my weapon, but I'm too discreet To run amuck, and tilt at all I meet.” Pope.
Phrases & compounds
To run amuck — to rush out in a state of frenzy, as the Malays sometimes do under the influence of “bhang,” and attack every one that comes in the way; to assail recklessly and indiscriminately.