Meaning of unfaithful in English

1. Pronunciation

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1. Classifying Adjective

   unfaithful

   Definitions

   1. deliberately and abominably disloyal or likely to betray trust or confidence

   Examples

   • « the faithless Benedict Arnold »
   • « a lying traitorous insurrectionist »

   Synonyms

   • disloyal
2. 2. not trustworthy

   Examples

   • « an unfaithful reproduction »

   Synonyms

   • inaccurate

3. Qualitative Adjective

   unfaithful

   Definitions

   1. not true to duty or obligation or promises

   Examples

   • « an unfaithful lover »

   Synonyms

   • apostate
   • punic
   • perfidious
   • treacherous
   • untrue

   Antonyms

   • faithful
4. 2. having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend

   Examples

   • « her husband was unfaithful »

   Synonyms

   • adulterous
   • cheating(a)
   • two-timing(a)

   Antonyms

   • faithful