treachery
Treachery (noun) means a deliberate betrayal of trust or loyalty. Example: “The general was executed for treachery after secretly aiding the enemy.”
How to use treachery
Learner’s notesIn plain EnglishTreachery is betraying someone's trust, especially in a serious, calculated way.
Word forms
- Plural
- treacheries
Fill the gap
Can you complete this real example?
The general was executed for _____ after secretly aiding the enemy.
Etymology
From Old French tricherie, "cheating" — the same root as "trick."