Unfaithful — Meaning, Definition & Synonyms

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

Meaning & Definition of Unfaithful

Unfaithful (adjective)

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

Unfaithful (adjective) — Senses, Synonyms & Antonyms

  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 Unfaithful

The most common words with a similar meaning to Unfaithful:

disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, untrue

Antonyms & Opposite Words for Unfaithful

Words with the opposite meaning of Unfaithful:

constant, dedicated, devoted, devout, down-the-line, faithful, fast, loyal, staunch, steadfast, steady, true

Related Words for Unfaithful

irresponsible, trustless, undependable, unreliable, untrustworthy, faltering, hesitant, vacillating, wavering, dubious, irresolute, uncertain, apathetic, dispassionate, uninterested

Near Antonyms of Unfaithful

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

Word Forms of Unfaithful

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

Origin & Etymology of Unfaithful

First known use: 15th century

Frequently Asked Questions about Unfaithful

What does "Unfaithful" mean?

"Unfaithful" means not faithful:. As an adjective, it is defined as: not faithful:.

What is another word for "Unfaithful"?

Other words for "Unfaithful" include disloyal, faithless, false, fickle, inconstant, perfidious, recreant and traitorous. The best synonym depends on which meaning of "Unfaithful" you intend.

What are different ways to say "Unfaithful"?

There are 25 words and phrases with a similar meaning to "Unfaithful". Common alternatives include disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous and untrue.

What is the opposite of "Unfaithful"?

Antonyms of "Unfaithful" include constant, dedicated, devoted, devout, down-the-line, faithful, fast and loyal. Near antonyms include dependable, dutiful, reliable and responsible.

How do you use "Unfaithful" in a sentence?

Examples of "Unfaithful" in a sentence: "colonists who later proved to be unfaithful to the cause of independence".

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

"Unfaithful" is an adjective.

How do you pronounce "Unfaithful"?

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

What is the origin of the word "Unfaithful"?

First known use: 15th century.