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unfaithful

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adjective un·faith·ful \ˌən-ˈfāth-fəl\

Simple Definition of unfaithful

  • : having a sexual relationship with someone who is not your wife, husband, or partner

  • : not accurate

Source: Merriam-Webster's Learner's Dictionary

Full Definition of unfaithful

  1. :  not faithful: a :  not adhering to vows, allegiance, or duty :  disloyal <an unfaithful friend> b :  not faithful to marriage vows <suspected her husband of being unfaithful> c :  inaccurate, untrustworthy <an unfaithful copy of a document>

unfaithfully play \-fə-lē\ adverb
unfaithfulness noun

Examples of unfaithful in a sentence

  1. <colonists who later proved to be unfaithful to the cause of independence>



15th Century

First Known Use of unfaithful

15th century


UNFAITHFUL Defined for Kids

unfaithful

play
adjective un·faith·ful \ˌən-ˈfāth-fəl\

Definition of unfaithful for Students

  1. :  not faithful :  disloyal





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