Infidelity

• POS: Noun
• HYPHEN: in=fi=del=i=ty

CIDE DICTIONARY

Infidelity, n. [L. infidelitas: cf. F. infidélité.].

•  Lack of faith or belief in some religious system; especially, a lack of faith in, or disbelief of, the inspiration of the Scriptures, of the divine origin of Christianity.  [1913 Webster]

  "There is, indeed, no doubt but that vanity is one of the principal causes of infidelity."  [1913 Webster]
•  Unfaithfulness to the marriage vow or contract; violation of the marriage covenant by adultery.  [1913 Webster]
•  Breach of trust; unfaithfulness to a charge, or to moral obligation; treachery; deceit; as, the infidelity of a servant.  Sir W. Temple.  [1913 Webster]

OXFORD DICTIONARY

Infidelity, n. (pl. -ies)
1 a disloyalty or unfaithfulness, esp. to a husband or wife. b an instance of this.
2 disbelief in Christianity or another religion.

Etymology

ME f. F infid{eacute}lit{eacute} or L infidelitas (as INFIDEL)

THESAURUS

Infidelity

Punic faith, adulterous affair, adultery, affair, agnosticism, amor, amour, apostasy, atheism, bad faith, barratry, breach of faith, breach of promise, breach of trust, cheating, cuckoldry, denial, dereliction, disaffection, disbelief, discredit, disloyalty, entanglement, eternal triangle, faithlessness, falseness, falsity, fickleness, flirtation, forbidden love, gentilism, hanky-panky, heresy, illicit love, inability to believe, inconstancy, incredulity, intrigue, liaison, love affair, mala fides, minimifidianism, misbelief, nonbelief, nullifidianism, perfidy, recreancy, rejection, romance, romantic tie, secularism, traitorousness, treachery, triangle, trothlessness, unbelief, unbelievingness, unfaith, unfaithfulness, unloyalty, unsteadfastness, untrueness

ROGET THESAURUS

Infidelity

Irreligion

N irreligion, indevotion, godlessness, ungodliness, laxity, quietism, skepticism, doubt, unbelief, disbelief, incredulity, incredulousness, want of faith, want of belief, pyrrhonism, bout, agnosticism, atheism, deism, hylotheism, materialism, positivism, nihilism, infidelity, freethinking, antichristianity, rationalism, neology, atheist, skeptic, unbeliever, deist, infidel, pyrrhonist, giaour, heathen, alien, gentile, Nazarene, espri fort, freethinker, latitudinarian, rationalist, materialist, positivist, nihilist, agnostic, somatist, theophobist, irreligious, indevout, undevout, devoutless, godless, graceless, ungodly, unholy, unsanctified, unhallowed, atheistic, without God, skeptical, freethinking, unbelieving, unconverted, incredulous, faithless, lacking faith, deistical, unchristian, antichristian, worldly, mundane, earthly, carnal, worldly minded, irreligiously.

Improbity

N improbity, dishonesty, dishonor, deviation from rectitude, disgrace, fraud, lying, bad faith, Punic faith, mala fides, Punica fides, infidelity, faithlessness, Judas kiss, betrayal, breach of promise, breach of trust, breach of faith, prodition, disloyalty, treason, high treason, apostasy, nonobservance, shabbiness, villainy, villany, baseness, abjection, debasement, turpitude, moral turpitude, laxity, trimming, shuffling, perfidy, perfidiousness, treachery, double dealing, unfairness, knavery, roguery, rascality, foul play, jobbing, jobbery, graft, bribery, venality, nepotism, corruption, job, shuffle, fishy transaction, barratry, sharp practice, heads I win tails you lose, mouth honor, dishonest, dishonorable, unconscientious, unscrupulous, fraudulent, knavish, disgraceful, wicked, false-hearted, disingenuous, unfair, one-sided, double, double- hearted, double-tongued, double-faced, timeserving, crooked, tortuous, insidious, Machiavelian, dark, slippery, fishy, perfidious, treacherous, perjured, infamous, arrant, foul, base, vile, ignominious, blackguard, contemptible, unrespectable, abject, mean, shabby, little, paltry, dirty, scurvy, scabby, sneaking, groveling, scrubby, rascally, pettifogging, beneath one, low-minded, low-thoughted, base-minded, undignified, indign, unbecoming, unbeseeming, unbefitting, derogatory, degrading, infra dignitatem, beneath one's dignity, ungentlemanly, ungentlemanlike, unknightly, unchivalric, unmanly, unhandsome, recreant, inglorious, corrupt, venal, debased, mongrel, faithless, of bad faith, false, unfaithful, disloyal, untrustworthy, trustless, trothless, lost to shame, dead to honor, barratrous, dishonestly, mala fide, like a thief in the night, by crooked paths, Int, O tempora!, O mores!, corruptissima respublica plurimae leges.

Doubt

N unbelief doubt, unbelief, disbelief, misbelief, discredit, miscreance, infidelity, dissent, change of opinion, retraction, doubt, skepticism, scepticism, misgiving, demure, distrust, mistrust, cynicism, misdoubt, suspicion, jealousy, scruple, qualm, onus probandi, incredibility, incredibleness, incredulity, doubter, skeptic, cynic, unbeliever, unbelieving, skeptical, sceptical, incredulous as to, skeptical as to, distrustful as to, shy as to, suspicious of, doubting, doubtful, disputable, unworthy of, undeserving of belief, questionable, suspect, suspicious, open to suspicion, open to doubt, staggering, hard to believe, incredible, unbelievable, not to be believed, inconceivable, impossible, fallible, undemonstrable, controvertible, cum grano salis, with a grain of salt, with grains of allowance, fronti nulla fides, nimium ne crede colori, timeo Danaos et dona ferentes, I fear the Greeks even when bearing gifts, beware of Greeks bearing gifts, credat Judaeus Apella, let those believe who may, ad tristem partem stenua est suspicio.