juggernaut

/JH AH1 G ER0 N AO0 T/
noun
  1. 1

    A literal or metaphorical force or object regarded as unstoppable, that will crush all in its path.

  2. 2

    (sometimes derogatory) A large, cumbersome truck or lorry, especially an artic.

  3. 3

    An institution that incites destructive devotion or to which people are carelessly sacrificed.

Source: https://en.wiktionary.org/wiki/juggernaut