treacherousness
treacherousness noun: treachery; the characteristic of being treacherous.
Noun
treacherousness (uncountable)
- Treachery; 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, perfidy, prodition
Synonyms of treacherousness
- perfidiousness
- traitory
- treason
- betrayal
- breach of promise
- breach of trust
- double-dealing
- Judas kiss
- perfidy
- stab in the back
5 more synonymsFewer synonyms
Origin of treacherousness
From treacherous + -ness.
Questions about treacherousness
- What does treacherousness mean?
- Treacherousness means treachery; the characteristic of being treacherous.
- What part of speech is treacherousness?
- Treacherousness is a noun.
Words near treacherousness in the dictionary
Source and license
Adapted from Wiktionary: treacherousness (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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