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’.Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
treachery