Definition of unfaithful in English:

unfaithful

adjective

  • 1Not faithful.

    • ‘We speak of faithful, and unfaithful portraits.’
    • ‘To be truly faithful requires us to bond ourselves to our unfaithful neighbours, to care about their lives, their world.’
    • ‘Its call to repentance is grounded in the conviction that God will be lovingly faithful to unfaithful people.’
    • ‘And if there is no object - no plain and lucid text to which interpreters could be faithful - neither is there an object to which interpreters could be unfaithful.’
    • ‘Personally, I don't care how faithful or unfaithful something is to its source.’
    • ‘Yet it was through this situation that Hosea learned a lesson that God wanted him to deliver to Israel: Though the people were unfaithful, God would remain faithful.’
    • ‘The person faithful to God makes judgments that the rational but unfaithful person would never make.’
    1. 1.1 Engaging in sexual relations with a person other than one's regular partner in contravention of a previous promise or understanding.
      ‘you haven't been unfaithful to him, have you?’
      ‘her unfaithful husband’
      • ‘If his partner was unfaithful, wouldn't he mind?’
      • ‘After all, I'm hard-pressed to think of a single heterosexual marriage I admire in which at least one partner wasn't unfaithful over the years.’
      • ‘But if it moves beyond that we consider a partner unfaithful.’
      • ‘Do you believe that your husband has been unfaithful to you at any time during your relationship?’
      • ‘The drama queen in us all would love to see him tell his unfaithful partners to stick it, for greatest effect on the morning of their biggest match this season.’
      • ‘I was very unhappy with the unfaithful husband.’
      • ‘Should I lie to my friend about his unfaithful partner?’
      • ‘I ask you, and I ask them, how can a woman who is faithful to her husband say she has brought it upon herself when she has an unfaithful partner?’
      • ‘Husbands who kill their unfaithful wives out of sexual jealousy will face tougher sentences under new guidelines sent to judges yesterday.’
      • ‘In 35 years she has survived a suicide attempt, racism, an abusive father, a stalker, two unfaithful husbands and a series of disastrous relationships.’
      • ‘Just as the flies are unfaithful partners, some flowers are dishonest about signaling a nectar reward.’
      • ‘There is no doubt that having an unfaithful partner is enormously painful.’
      • ‘‘What is most important is that the unfaithful partner address why he or she had the affair,’ says Spring.’
      • ‘Seeing that he has said nothing about being honest or faithful, Elliot becomes a Cuban drug lord with an unfaithful wife.’
      • ‘One can be physically promiscuous without being emotionally unfaithful, flighty, or inconstant.’
      • ‘25% of males and 17% of females would cheat if their partner was unfaithful.’
      • ‘I must not use it to put curses on unfaithful husbands, or make a married man fall in love with someone.’
      • ‘The jury at Sheffield Crown Court heard Yarrow had also been convinced a previous girlfriend was unfaithful and had gone to extraordinary lengths to prove it.’
      • ‘The vast majority regretted being unfaithful, but 24% insisted they didn't feel guilty.’
      • ‘She's also the only proper grown-up on the show, trying to keep her family together as she deals with an unfaithful husband and a delinquent son.’
      adulterous, faithless, fickle, untrue, inconstant, flighty
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    2. 1.2 Disloyal, treacherous, or insincere.
      ‘she felt that to sell the house would be unfaithful to her parents' memory’
      • ‘‘Yeah, they are’ she said, but her smile was clearly strained and unfaithful to what she was feeling.’
      • ‘We have to train our law enforcement to understand those differences and to appreciate that someone that may not speak U.S. English the way that we do is not necessarily unfaithful to our constitution.’
      • ‘I couldn't be unfaithful to this chair, not even with the armchairs in my apartment.’
      • ‘Every day our nation was segregated was a day that America was unfaithful to our founding ideals.’
      • ‘Generally people who think for themselves, instead of thinking according to the rules laid down by others, are considered unfaithful to the established order.’
      • ‘When I explained to the author why her letter wasn't printed, she proceeded to deem me undemocratic, unfaithful to the true representation of her group, and immoral.’
      • ‘Another negative aspect of this card is that it can represent intense temptation and warns of being unfaithful to your own morals.’
      • ‘Unlike cruder critics who rave about violence and other social consequences outside the magic circle of the artifact, Williams the aesthete finds the film unfaithful to the pure terms of art.’
      • ‘And in reaching this conclusion Justice Scalia is, in my view, unfaithful to his own proclaimed methodology.’
      • ‘If you don't write for a few days, you are unfaithful to the readers who come to visit.’
      • ‘Even among those who are more sophisticated in their understanding of the term, there is still a suspicion that if we aren't careful, we'll sell out and conform to whatever postmodern is, and thus prove unfaithful to the gospel.’
      • ‘So we're still together, although he's started to be unfaithful to me by starring in other movies.’
      disloyal, treacherous, traitorous, untrustworthy, unreliable, undependable, false, false-hearted, faithless, perfidious, insincere, two-faced, janus-faced, back-stabbing, double-crossing, double-dealing, deceitful
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Pronunciation

unfaithful

/ʌnˈfeɪθf(ə)l//ʌnˈfeɪθfʊl/