An Encylopedia Britannica Company

treachery

1 ENTRIES FOUND:
treachery /ˈtrɛtʃəri/ noun
plural treacheries
treachery
/ˈtrɛtʃəri/
noun
plural treacheries
Britannica Dictionary definition of TREACHERY
[noncount] : harmful things that are done usually secretly to a friend, your own country, etc.
[count] : an act of harming someone who trusts you