treachery

/หˆtษนษ›tสƒษ™ษนi/

IPA: /T R EH1 CH ER0 IY0/

noun
  1. 1

    Deliberate, often calculated, disregard for trust or faith.

  2. 2

    The act of violating the confidence of another, usually for personal gain.

  3. 3

    Treason.

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