AskDefine | Define unfaithful

Dictionary Definition

unfaithful adj
1 not true to duty or obligation or promises; "an unfaithful lover" [ant: faithful]
2 having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend; "her husband was unfaithful" [ant: faithful]
3 deliberately and abominably disloyal or likely to betray trust or confidence; "the faithless Benedict Arnold"; "a lying traitorous insurrectionist" [syn: faithless, traitorous]
4 not trustworthy; "an unfaithful reproduction"

User Contributed Dictionary



From un- + faithful


  1. not having religious faith
  2. not keeping good faith; disloyal; not faithful
  3. not honest or upright
  4. of a translation: incorrect


not having religious faith
not keeping good faith; disloyal; not faithful
not honest or upright
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