View synonyms for infidelity


[ in-fi-del-i-tee ]


, plural in·fi·del·i·ties.
  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.


/ ˌɪnfɪˈdɛlɪtɪ /


  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 History and Origins

Origin of infidelity1

First recorded in 1375–1425; late Middle English, from Latin infidēlitās; equivalent to infidel + -ity
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Example Sentences

Known for her love and discussion of celebrities during her “Hot Topics” segment, Williams found herself a hot topic when she divorced her husband of 22 years among allegations of infidelity in 2019.

Voters are usually of two minds when it comes to infidelity, Perry says.

North Carolina voter DeNeiro Saunders is a Christian who doesn’t like to excuse infidelity.

In theory, though, Americans are harsh critics of marital infidelity.

Democrats are confident they can use that cash to fight the GOP’s bid to attack him for infidelity.

Amid accusations of infidelity, she told reporters in 1988 that she and the former priest were just fine.

Was it difficult revisiting any of the darker memories, like his infidelity?

The public conversation about infidelity has undoubtedly become more nuanced.

They succumbed to infidelity, remained materialistic, and acted selfishly.

Lets rap about new feminism, hip-hop and infidelity," she begins, "You got a good girl / Why she messing with a bad guy?

The infidelity of her father and the piety of her mother contended, like counter currents of the ocean, in her bosom.

Much more, many persons were ready to follow them into all the wild sophistries of infidelity.

She looked round the room, apparently recognizing with resentment the scene of Tanqueray's perpetual infidelity.

May there not be the greatest practical infidelity with the most artistic beauty and native reach of thought?

Upon what, then, is based the opinion that divorce is permissible in case of infidelity on the part of the woman?