noun
treachery
TRECH-uh-ree/ˈtretʃəri/
Betrayal of trust or loyalty.
The woman commits treachery by selling a burglar access to the man's safe.
Etymology
The older sense was deceit or trickery. In English, this included faithlessness to a sworn oath or obligation, connecting deceptive conduct specifically with betrayal of trust.
In context
although you could replace it with practically any other politicians in history. But the example is meant to show that a person who would have been a slave because of treachery and murder of innocent people usurps the throne
More examples
- He considers her decision to reveal his secret an act of treachery.
- The spy's treachery puts fellow agents in danger.
- She never forgives her closest friend's treachery.
Forms
treachery · treacheries
treacherous adjective — Betraying trust or loyalty through deception.
Similar words
- betrayal
- A broader term for breaking trust, with less emphasis on deceit.
- disloyalty
- Failure to remain faithful, without necessarily involving secret deception.