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unfaithful
5 dictionary results for: unfaithful
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
un·faith·ful       [uhn-feyth-fuhl] Pronunciation Key
–adjective
1.not faithful; false to duty, obligation, or promises; faithless; disloyal.
2.not sexually faithful to a spouse or lover.
3.not accurate or complete; inexact: an unfaithful translation.
4.Obsolete. unbelieving; infidel.

[Origin: 1350–1400; ME unfeithful. See un-1, faithful]

un·faith·ful·ly, adverb
un·faith·ful·ness, noun

1. untrustworthy, deceitful, treacherous, recreant. 3. imprecise, untrue.
American Heritage Dictionary - Cite This Source - Share This
un·faith·ful       (ŭn-fāth'fəl)  Pronunciation Key 
adj.  
  1. Not adhering to promises, obligations, or allegiances; disloyal. See Synonyms at faithless.
    1. Not true or constant to one's sexual partner.
    2. Not true to one's spouse; guilty of adultery.
  2. Not justly representing or reflecting the original; inaccurate.
  3. Obsolete Deficient in or lacking religious faith; unbelieving.

un·faith'ful·ly adv., un·faith'ful·ness n.
Online Etymology Dictionary - Cite This Source - Share This
unfaithful 
1340 (implied in unfaithfully) "acting falsely," from un- (1) "not" + faithful (see faith). In M.E. it also had a sense of "infidel, unbelieving, irreligious" (1382). Sense of "not faithful in marriage" is attested from 1828.

WordNet - Cite This Source - Share This
unfaithful

adjective
1. not true to duty or obligation or promises; "an unfaithful lover" [ant: faithful
2. having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend; "her husband was unfaithful" [ant: faithful
3. having the character of, or characteristic of, a traitor; "the faithless Benedict Arnold"; "a lying traitorous insurrectionist" [syn: faithless
4. not trustworthy; "an unfaithful reproduction" 

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Unfaithful

Un*faith"ful\, a. 1. Not faithful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant.

My feet, through wine, unfaithful to their weight. --Pope.

His honor rooted in dishonor stood, And faith unfaithful kept him falsely true. --Tennyson.

2. Not possessing faith; infidel. [R.] --Milton. -- Un*faith"ful*ly, adv. -- Un*faith"ful*ness, n.

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