treachery
noun/ˈtretʃəri/
/ˈtretʃəri/
[uncountable, countable] (plural treacheries)
- behaviour that involves hurting somebody who trusts you, for example by telling their secrets to other people; an example of this
- an act of treachery
- He was punished for his treacheries.
- Rumours of treachery and conspiracy began to circulate in the Queen’s court.
Word OriginMiddle English: from Old French trecherie, from trechier ‘to cheat’.
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treachery