severing

/ˈsɛvərɪŋ/
noun
  1. The act of cutting something off or separating it completely.
    • The surgeon performed a careful severing of the damaged tissue.
    • The severing of diplomatic relations between the two countries was a serious step.
    • The severing of the rope took only a few seconds.
adjective
  1. That cuts off or separates something.
    • A severing wind tore through the forest, snapping branches.
    • The severing blade was extremely sharp.
    • The severing blow ended the fight instantly.