betrayal

Definitions

The act of breaking a confidence or trust, or the state of being disloyal.

The action of revealing or delivering someone or something to an enemy in violation of allegiance.

Examples

The sudden betrayal by his closest ally left him feeling completely devastated.

She could not forgive the ultimate betrayal of her trust after years of friendship.

The novel explores the painful consequences of political betrayal within the royal court.

Synonyms

treachery disloyalty perfidy treason deceit backstabbing infidelity

Antonyms

loyalty allegiance faithfulness fidelity devotion honesty trustworthiness