Meaning & use
treachery
Betrayal of trust or loyalty, especially through deceitful or disloyal action.
See it in a sentence
The general's treachery handed the enemy a victory the army should never have lost.
The novel centers on a web of treachery among former friends turned rivals.
A note on using this word
Implies a deliberate, serious betrayal, often in contexts of war, politics, or close relationships, rather than a minor slight.
Words with a similar meaning
betrayaldisloyalty
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
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