upending

/ʌpˈɛndɪŋ/
noun
  1. The act of turning something upside down or on its end.
    • The careful upending of the vase required steady hands.
    • The upending of the boat dumped everyone into the water.
    • A sudden upending of the table sent dishes flying.
  2. A complete reversal or disruption of a situation or system.
    • The upending of their daily routine was unsettling.
    • The upending of traditional retail by online shopping was swift.
    • The upending of the old rules created chaos at first.
adjective
  1. That causes something to be turned upside down or completely changed.
    • An upending shift in policy surprised everyone.
    • The upending news left the team in shock.
    • The upending force of the wave knocked him over.