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infidelity

[in-fi-del-i-tee] /ˌɪn fɪˈdɛl ɪ ti/
noun, plural infidelities.
1.
marital disloyalty; adultery.
2.
unfaithfulness; disloyalty.
3.
lack of religious faith, especially Christian faith.
4.
a breach of trust or a disloyal act; transgression.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin infidēlitās, equivalent to infidēli(s) unfaithful (see infidel) + -tās -ty2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for infidelity
  • One ends up feeling worse for the agonized cheaters in these stories than the victims of their infidelity.
  • Tales of infidelity and its consequences figured largely in her conversation-though she judged on a sliding scale.
  • Brill outlines a magical courtship and an idyllic wedded life, destroyed by his own romantic restlessness and infidelity.
  • Truth isn't synonymous with historicity, and infidelity to the latter isn't necessarily betrayal of the former.
  • We preserve the whole of our feelings still native and entire, unsophisticated by pedantry and infidelity.
  • Outraged critics claim such services deliberately promote infidelity to further their commercial ambitions.
  • She understood her husband, loved the excitement, tolerated the infidelity and kept him close.
  • His rationalization doesn't hold water: research shows that the likelihood of infidelity increases with increased opportunity.
  • Casino workers and nurses see a constant supply of new faces, which may increase the opportunity for infidelity.
  • There have been no public allegations of infidelity or instability.
British Dictionary definitions for infidelity

infidelity

/ˌɪnfɪˈdɛlɪtɪ/
noun (pl) -ties
1.
lack of faith or constancy, esp sexual faithfulness
2.
lack of religious faith; disbelief
3.
an act or instance of disloyalty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for infidelity
infidelity
1509, "want of faith, unbelief in religion," from L. infidelitas "unfaithfulness," noun of quality from infidelis (see infidel). Meaning "unfaithfulness or disloyalty to a person" is from 1529, originally to a sovereign, later 16c. to a lover or spouse.
Online Etymology Dictionary, © 2010 Douglas Harper
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