Synonyms of treachery

15 similar words

Another word for treachery is perfidy. Other synonyms of treachery are double-dealing, treason and betrayal.

Synonyms and similar words for treachery

perfidyA state or act of violating faith or allegiance; violation of a promise or vow, or of trust.

Punic faithTreachery, deceitfulness, bad faith.
proditionTreachery; treason.
treacherousnessTreachery; the characteristic of being treacherous.
betrayalThe act of betraying.
breach of promise
breach of trustAn act, omission or concealment, by which a person who has a fiduciary duty to act in the interest of another instead...
double-dealingDeceit or treachery.
Judas kissAny act of treachery under the guise of kindness.
stab in the backAn act of betrayal or treachery.
tergiversationThe act of abandoning something or someone, of changing sides; desertion; betrayal.
treasonThe crime of betraying one’s own country.
perfidiousness rareUnfaithfulness; deceitfulness; perfidy.
swike dialectal, obsoleteDeceit; treachery.
traitory obsoleteTreachery; acts of a traitor.

noun Deliberate, often calculated, disregard for trust or faith.
noun The act of violating the confidence of another, usually for personal gain.
noun Treason.

What is another word for treachery?: Treachery has 15 synonyms on Word.ws, such as perfidy, double-dealing, treason and betrayal.
What does treachery mean?: Treachery means deliberate, often calculated, disregard for trust or faith.

Adapted from Wiktionary: treachery (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Synonyms of treachery.” Word.ws, https://word.ws/synonyms/treachery. Based on Wiktionary, CC BY-SA 4.0.