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treacherousness

noun

Treachery; the characteristic of being treacherous.

Similar

perfidiousness traitory treason betrayal breach of promise breach of trust double-dealing Judas kiss

Scrabble 20

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Meanings

nountreacherousness (uncountable)

uncountableTreachery; the characteristic of being treacherous.
He had an aggressive treacherousness of eye which his potations had not subdued.
1901, Bret Harte, “Under the Eaves”, in Under the Redwoods
Synonyms: perfidiousness, traitory, treason, betrayal, breach of promise, breach of trust, double-dealing, Judas kiss

Synonyms & antonyms

nounTreachery; the characteristic of being treacherous.

Similar

perfidiousness traitory treason betrayal breach of promise breach of trust double-dealing Judas kiss perfidiousness perfidy prodition Punic faith stab in the back swike tergiversation traitory treachery treason

Also see

betrayal double-dealing judas kiss perfidiousness perfidy prodition punic faith stab in the back swike tergiversation traitory treachery treason

Origin

From treacherous + -ness.

Full word history & related roots →

Cite this entry

APA

treacherousness. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/treacherousness

MLA

“treacherousness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/treacherousness. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “treacherousness,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/treacherousness.

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