Perfidiousness — Meaning, Definition & Synonyms

adjective noun /(ˌ)pər-ˈfi-dē-əs/ per·fid·i·ous

Meaning & Definition of Perfidiousness

Perfidiousness (adjective)

  1. of, relating to, or characterized by perfidy

Perfidiousness (noun) — Senses, Synonyms & Antonyms

  1. lack of faithfulness especially to one's husband or wife

    "perfidiousness eventually led to the couple's divorce"

    similar: disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidy, unfaithfulness
    related: adultery, betrayal, double cross, double-dealing, duplicity, sellout, treachery, treason, deceit, deception, lying
    opposite: allegiance, constancy, devotedness, devotion, faith, faithfulness, fealty, fidelity, loyalty
    near: staunchness, steadfastness, dependability, reliability, honesty, trustworthiness

Related Entry: Perfidious (adjective)

Perfidious is a different word from Perfidiousness. The synonyms below are for perfidious, not for perfidiousness.

  1. not true in one's allegiance to someone or something

    "a perfidious campaign worker revealed the senator's strategy to his leading rival for the nomination"

    similar: disloyal, faithless, false, fickle, inconstant, recreant, traitorous, treacherous, unfaithful, untrue
    related: irresponsible, trustless, undependable, unreliable, untrustworthy, faltering, hesitant, vacillating, wavering, dubious, irresolute, uncertain, apathetic, dispassionate, uninterested
    opposite: constant, dedicated, devoted, devout, down-the-line, faithful, fast, loyal, staunch, steadfast, steady, true
    near: dependable, dutiful, reliable, responsible, solid, tried, tried-and-true, trustable, trustworthy, trusty, unfaltering, unhesitating, unwavering, determined, intent, resolute, confirmed, dyed-in-the-wool, inveterate, sworn, ardent, avid, enthusiastic, fervent, fervid, impassioned, passionate

Synonyms, Thesaurus & Another Word for Perfidiousness

The most common words with a similar meaning to Perfidiousness:

disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidy, unfaithfulness

Antonyms & Opposite Words for Perfidiousness

Words with the opposite meaning of Perfidiousness:

allegiance, constancy, devotedness, devotion, faith, faithfulness, fealty, fidelity, loyalty

Related Words for Perfidiousness

adultery, betrayal, double cross, double-dealing, duplicity, sellout, treachery, treason, deceit, deception, lying

Near Antonyms of Perfidiousness

staunchness, steadfastness, dependability, reliability, honesty, trustworthiness

Word Forms of Perfidiousness

Derived words: perfidiously (adverb), perfidiousness (noun)

Origin & Etymology of Perfidiousness

First known use: circa 1538

Frequently Asked Questions about Perfidiousness

What does "Perfidiousness" mean?

"Perfidiousness" means of, relating to, or characterized by perfidy. As an an adjective and a noun, it is defined as: of, relating to, or characterized by perfidy.

What is another word for "Perfidiousness"?

Other words for "Perfidiousness" include disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidy and unfaithfulness. The best synonym depends on which meaning of "Perfidiousness" you intend.

What are different ways to say "Perfidiousness"?

There are 19 words and phrases with a similar meaning to "Perfidiousness". Common alternatives include disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidy and unfaithfulness.

What is the opposite of "Perfidiousness"?

Antonyms of "Perfidiousness" include allegiance, constancy, devotedness, devotion, faith, faithfulness, fealty and fidelity. Near antonyms include staunchness, steadfastness, dependability and reliability.

How do you use "Perfidiousness" in a sentence?

Examples of "Perfidiousness" in a sentence: "perfidiousness eventually led to the couple's divorce".

Is "Perfidiousness" a noun, verb, or adjective?

"Perfidiousness" can be used as an adjective and a noun, depending on the context.

How do you pronounce "Perfidiousness"?

"Perfidiousness" is pronounced /(ˌ)pər-ˈfi-dē-əs/ and divided into syllables as per·fid·i·ous.

What is the origin of the word "Perfidiousness"?

First known use: circa 1538.