Definition of treachery in English:
noun (plural treacheries)
Betrayal of trust; deceptive action or nature: his resignation was perceived as an act of treachery the treachery of language
More example sentences
- It is a story of intrigue, deception and treachery.
- These are deliberate acts of treachery and are roundly condemned.
- Any threat to this peace must be treated as an act of treachery - a traitor's action.
Middle English: from Old French trecherie, from trechier 'to cheat'.