unfaithful

un·faith·ful

(ŭn-fāth′fəl)

adj.

a. Not adhering to promises, obligations, or allegiances; disloyal. See Synonyms at faithless.

b. Breaking trust in a marriage or relationship by having sexual relations with someone other than one's spouse or sexual partner.

2. Not justly representing or reflecting the facts or a primary source; inaccurate: an account that was unfaithful to what really happened; a translation that was unfaithful to the original.

un·faith′ful·ly adv.

un·faith′ful·ness n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

unfaithful

(ʌnˈfeɪθfʊl)

adj

1. not true to a promise, vow, etc

2. not true to a wife, husband, lover, etc, esp in having sexual intercourse with someone else

3. inaccurate; inexact; unreliable; untrustworthy: unfaithful copy.

4. obsolete not having religious faith; infidel

5. obsolete not upright; dishonest

unˈfaithfully adv

unˈfaithfulness n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

un•faith•ful

(ʌnˈfeɪθ fəl)

adj.

1. not faithful; false to duty, obligation, or promises; disloyal.

2. not sexually faithful to a spouse or lover.

3. not accurate or reliable; inexact: an unfaithful translation.

[1350–1400]

un•faith′ful•ly, adv.

un•faith′ful•ness, n.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Adj.	1.	unfaithful - not true to duty or obligation or promises; "an unfaithful lover" inconstant - likely to change frequently often without apparent or cogent reason; variable; "inconstant affections"; "an inconstant lover"; "swear not by...the inconstant moon"- Shakespeare untrustworthy, untrusty - not worthy of trust or belief; "an untrustworthy person" faithful - steadfast in affection or allegiance; "years of faithful service"; "faithful employees"; "we do not doubt that England has a faithful patriot in the Lord Chancellor"
	2.	unfaithful - having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend; "her husband was unfaithful" faithful - not having sexual relations with anyone except your husband or wife, or your boyfriend or girlfriend; "he remained faithful to his wife"
	3.	unfaithful - having the character of, or characteristic of, a traitor; "the faithless Benedict Arnold"; "a lying traitorous insurrectionist" faithless, traitorous, treasonable, treasonous disloyal - deserting your allegiance or duty to leader or cause or principle; "disloyal aides revealed his indiscretions to the papers"
	4.	unfaithful - not trustworthy; "an unfaithful reproduction" inaccurate - not exact; "an inaccurate translation"; "the thermometer is inaccurate"

unfaithful

adjective

1. faithless, untrue, two-timing (informal), adulterous, fickle, inconstant, unchaste She was frequently left alone by her unfaithful husband.
faithless faithful, constant

2. disloyal, false, treacherous, deceitful, faithless, perfidious, traitorous, treasonable, false-hearted, recreant (archaic) They denounced him as unfaithful to the traditions of the Society.
disloyal true, loyal, faithful, steadfast

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

unfaithful

adjective

Not true to duty or obligation:

disloyal, faithless, false, false-hearted, perfidious, recreant, traitorous, treacherous, untrue.

Translations

خَائِنغَيْر مُخْلِص، خائِن

nevěrný

utro

treulos untreu

άπιστος

infiel

uskoton

infidèle traitre traître

nevjeran

ótrúr

infedele inesatto

不貞な

부정한

neuzticīgsnodevīgs

nezvest

otrogen

ไม่ซื่อสัตย์

sadakatsizaldatan

không chung thủy

不忠实的不诚实的

unfaithful

[ˈʌnˈfeɪθfʊl] ADJ → infiel (to a)

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

unfaithful

[ˌʌnˈfeɪθfʊl] adj → infidèle
to be unfaithful to sb → tromper qn

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

unfaithful

adj

wife, husband, lover → untreu; friend, servant → treulos; to be unfaithful to somebody → jdm untreu sein

(= inaccurate) translation, description → ungenau; the translator was unfaithful to the original poem → der Übersetzer verfälschte das Gedicht

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

unfaithful

[ʌnˈfeɪθfʊl] adj unfaithful (to sb) → infedele (a qn)

unfaithful

(anˈfeiθful) adjective

not loyal and true.

unfaithful

→ خَائِن nevěrný utro untreu άπιστος infiel uskoton infidèle nevjeran infedele 不貞な 부정한 ontrouw utro niewierny infiel неверный otrogen ไม่ซื่อสัตย์ sadakatsiz không chung thủy 不诚实的

Mentioned in ?

References in classic literature ?

Cutter had several times cut paragraphs about unfaithful husbands out of the newspapers and mailed them to Cutter in a disguised handwriting.

View in context

He had never clearly thought out the subject, but he had vaguely conceived that his wife must long ago have suspected him of being unfaithful to her, and shut her eyes to the fact.

View in context

Mercenaries and auxiliaries are useless and dangerous; and if one holds his state based on these arms, he will stand neither firm nor safe; for they are disunited, ambitious, and without discipline, unfaithful, valiant before friends, cowardly before enemies; they have neither the fear of God nor fidelity to men, and destruction is deferred only so long as the attack is; for in peace one is robbed by them, and in war by the enemy.

View in context

But instead of all that- here he was, the wealthy husband of an unfaithful wife, a retired gentleman-in-waiting, fond of eating and drinking and, as he unbuttoned his waistcoat, of abusing the government a bit, a member of the Moscow English Club, and a universal favorite in Moscow society.

View in context

winners seemed to be the crooked ones, the unfaithful ones, the wicked ones.

View in context

Soon after, with a drink all round, we lay down to sleep, and the outside of Silver's vengeance was to put George Merry up for sentinel and threaten him with death if he should prove unfaithful.

View in context

After the conclusion of the war with Xerxes, it appears that the Lacedaemonians required that a number of the cities should be turned out of the confederacy for the unfaithful part they had acted.

View in context

It is a misfortune incident to republican government, though in a less degree than to other governments, that those who administer it may forget their obligations to their constituents, and prove unfaithful to their important trust.

View in context

To put with one hand a pedestal under the feet of the two faithful ones, and with the other to exalt the unfaithful by the same artificial means, he deemed to be alike inconsistent with his convictions, his position, and his hopes.

View in context

At nightfall they would take to the road again, climb to the place where their unfaithful sentinel now slept, and, descending the other slope of the ridge, fall upon a camp of the enemy at about midnight.

View in context

Neither entreaty nor courtly remonstrance came from the English prince; but Sir Hugh Calverley passed silently over the border with his company, and the blazing walls of the two cities of Miranda and Puenta de la Reyna warned the unfaithful monarch that there were other metals besides gold, and that he was dealing with a man to whom it was unsafe to lie.

View in context

We resent the thought that anything can please us when someone we love is no longer here to share the pleasure with us, and we almost feel as if we were unfaithful to our sorrow when we find our interest in life returning to us."