Definition from Wiktionary, the free dictionary
From Middle English trecherie, from Old French tricherie, trecherie, from tricher, trichier (“to cheat”), from Middle Dutch trek (“a trick”), from trekken (“to draw, play a trick on”). More at trick.
treachery (plural treacheries)
- Deliberate, often calculated, disregard for trust or faith.
- The act of violating the confidence of another, usually for personal gain.
deliberate disregard for trust or faith
the act of violating the confidence of another
treason — see treason
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.