Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

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 of infidelity
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. 2017.
Cite This Source
Examples from the Web for infidelities
Contemporary Examples
Historical Examples
British Dictionary definitions for infidelities

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
Cite This Source
Word Origin and History for infidelities

infidelity

n.

c.1400, "want of faith, unbelief in religion; false belief, paganism;" also (early 15c.) "unfaithfulness or disloyalty to a person" (originally to a sovereign, by 16c. to a lover or spouse), from French infidélité, from Latin infidelitatem (nominative infidelitas) "unfaithfulness, faithlessness," noun of quality from infidelis (see infidel).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for infidelity

Some English speakers likely know this word

Word Value for infidelities

16
18
Scrabble Words With Friends

Nearby words for infidelities