Unfaithfulness — Meaning, Definition & Synonyms

adjective noun /ˌən-ˈfāth-fəl/ un·faith·ful

Meaning & Definition of Unfaithfulness

Unfaithfulness (adjective)

  1. not faithful:
  2. not adhering to vows, allegiance, or duty, disloyal
  3. not faithful to marriage vows

Unfaithfulness (noun) — Senses, Synonyms & Antonyms

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

    "he eventually forgave his wife's unfaithfulness"

    similar: disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy
    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

  2. the act or fact of violating the trust or confidence of another

    "the jaw-dropping unfaithfulness of the person she had considered her best friend was deeply hurtful"

    similar: backstabbing, betrayal, business, disloyalty, double cross, faithlessness, falseness, falsity, infidelity, perfidy, sellout, treachery, treason, two-timing
    related: abandonment, desertion, deceit, deception, double-dealing, duplicity, guile, two-facedness, fraud, informing, lying, snitching, talebearing, trickery
    opposite: allegiance, devotion, faithfulness, fealty, fidelity, loyalty, staunchness, steadfastness
    near: dependability, reliability, trustworthiness, defense, protection, safeguard, shield

  3. a sexual encounter or relationship between a married person and someone other than their spouse

    "there were charges of unfaithfulness on both sides"

    similar: adultery, cheating, infidelity, misconduct, two-timing
    related: criminal conversation, free love, promiscuity, disloyalty, faithlessness, falseness, inconstancy, perfidiousness, perfidy, treachery, affair, amour, fling, love, love affair, romance, intrigue, attachment, infatuation, entanglement, flirtation, liaison, passion
    opposite: faithfulness, fidelity
    near: allegiance, constancy, dedication, devotedness, devotion, fealty, loyalty, steadfastness

Related Entry: Unfaithful (adjective)

Unfaithful is a different word from Unfaithfulness. The synonyms below are for unfaithful, not for unfaithfulness.

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

    "colonists who later proved to be unfaithful to the cause of independence"

    similar: disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, 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 Unfaithfulness

The most common words with a similar meaning to Unfaithfulness:

disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, backstabbing, betrayal, business, double cross, sellout, treachery, treason, two-timing, adultery, cheating, misconduct

Antonyms & Opposite Words for Unfaithfulness

Words with the opposite meaning of Unfaithfulness:

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

Related Words for Unfaithfulness

double-dealing, duplicity, deceit, deception, lying, abandonment, desertion, guile, two-facedness, fraud, informing, snitching, talebearing, trickery, criminal conversation, free love, promiscuity, affair, amour, fling, love, love affair, romance, intrigue, attachment, infatuation, entanglement, flirtation, liaison, passion

Near Antonyms of Unfaithfulness

dependability, reliability, honesty, trustworthiness, defense, protection, safeguard, shield, dedication

Word Forms of Unfaithfulness

Derived words: unfaithfully (adverb), unfaithfulness (noun)

Origin & Etymology of Unfaithfulness

First known use: 15th century

Frequently Asked Questions about Unfaithfulness

What does "Unfaithfulness" mean?

"Unfaithfulness" means not faithful:. As an an adjective and a noun, it is defined as: not faithful:. It has 3 distinct senses.

What is another word for "Unfaithfulness"?

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

What are different ways to say "Unfaithfulness"?

There are 49 words and phrases with a similar meaning to "Unfaithfulness". Common alternatives include disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, backstabbing and betrayal.

What is the opposite of "Unfaithfulness"?

Antonyms of "Unfaithfulness" include allegiance, constancy, devotedness, devotion, faith, faithfulness, fealty and fidelity. Near antonyms include dependability, reliability, honesty and trustworthiness.

How do you use "Unfaithfulness" in a sentence?

Examples of "Unfaithfulness" in a sentence: "he eventually forgave his wife's unfaithfulness"; "the jaw-dropping unfaithfulness of the person she had considered her best friend was deeply hurtful"; "there were charges of unfaithfulness on both sides".

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

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

How do you pronounce "Unfaithfulness"?

"Unfaithfulness" is pronounced /ˌən-ˈfāth-fəl/ and divided into syllables as un·faith·ful.

What is the origin of the word "Unfaithfulness"?

First known use: 15th century.