machiavellian

adjective
  1. 1

    Attempting to achieve goals by cunning, scheming, and unscrupulous methods, especially in politics or in advancing one's career.

  2. 2

    Related to the philosophical system of Niccolรฒ Machiavelli.

Source: https://en.wiktionary.org/wiki/Machiavellian, https://en.wiktionary.org/wiki/machiavellian