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treasonist

noun

One who commits treason.

Similar

quisling recreant traitor backstabber betrayer cockatrice double-crosser rat

Scrabble 10

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Meanings

nountreasonist (plural treasonists)

plural treasonists

One who commits treason.
Synonyms: quisling, recreant, traitor, backstabber, betrayer, cockatrice, double-crosser, quisling

Synonyms & antonyms

nounOne who commits treason.

Similar

quisling recreant traitor backstabber betrayer cockatrice double-crosser quisling rat ratter recreant renegade serpent snake snake in the grass swike traitor treacher treacherer

More synonyms by meaning

nounsomeone who betrays their country by committing treason

Similar

Broader

criminal felon crook

Also see

backstabber double-crosser double-dealer quisling serpent snake snake in the grass swike traitor treacher treacherer turntippet withersake wolf in sheep's clothing

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From treason + -ist.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry

APA

treasonist. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/treasonist

MLA

“treasonist.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/treasonist. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “treasonist,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/treasonist.

Source: treasonist on Wiktionary, CC BY-SA 4.0.