Definition of fidelity in English:



mass noun
  • 1Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.

    ‘his fidelity to liberal ideals’
    • ‘The children may also feel that they themselves are demonstrating a lack of fidelity by supporting their remarrying parent.’
    • ‘Muldoon's fidelity to his beliefs was considerable, but came to be compromised.’
    • ‘Of the four, he is the most faithful to the values they share, but it's his very loyalty and fidelity that ultimately doom him.’
    • ‘It survived and prospered thanks to the generosity and fidelity of thousands of volunteers who knew that if the young people were strong Ireland would be strong.’
    • ‘The various obligations of a fiduciary merely reflect different aspects of his core duties of loyalty and fidelity.’
    • ‘Instead, any impulse for transparent dialogue is ritually displaced into domestic disputes about matters such as fidelity to the nation state during times of conflict.’
    • ‘Respect and kindness, fidelity and sincerity, are no doubt the essential points which Judo students should particularly observe.’
    • ‘Three types of territoriality were recognized according to the defense rate and degree of fidelity to the foraging site.’
    • ‘The George circle was close and intimate and his disciples vowed to perpetuate his memory by remaining faithful to his precepts of service, heroic values and fidelity to the ideal of the true Germany.’
    • ‘Both male and female adult polar bears captured in Manitoba and Ontario showed a high degree of fidelity over time to locations on shore.’
    • ‘Females demonstrate strong fidelity to the sites where they hatched, and they lead their mates back to those sites in the spring.’
    • ‘Yet literal-mindedness is not honesty or fidelity to truth - far from it.’
    • ‘Adult females may simply show a higher degree of fidelity to specific areas than males when they come ashore to fast during the open water season.’
    • ‘Mary, a devout Catholic, did little to impose her faith on Scotland, but had little support for this fidelity.’
    • ‘I suppose my own lingering belief in some fidelity to the subject at hand as a mandate for teachers has always caused me to worry about overpersonalizing what I teach.’
    • ‘The Democrat Party, which had hitherto taken the notion of a ‘loyal opposition’ to extremes of patriotic fidelity, has also now broken ranks with a battered White House.’
    • ‘A covenant is more binding because it is not predicated on interest, but instead on loyalty, fidelity and holding together.’
    • ‘To demonstrate fidelity to the deceased family member, a band of wind and percussion instruments is often present to perform both traditional and popular music.’
    • ‘His political enemies cannot fault his character; the worst they can say is that his integrity and notorious fidelity are boring.’
    • ‘First, there is an implied term that the employee will serve the employer with loyalty and fidelity.’
    loyalty, allegiance, obedience, constancy, fealty, homage
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    1. 1.1 Sexual faithfulness to a spouse or partner.
      • ‘Sexual fidelity, marriage, contraception, the Bible, all good.’
      • ‘In fact, the history of AIDS in Uganda supports the Church's belief that abstinence and fidelity within marriage are actually the best ways to fight AIDS.’
      • ‘She loved him, even though he was incapable of loyalty and fidelity and yet what choice did she have but to love him?’
      • ‘However, partner choice and partner fidelity can act independently of each other, and therefore the two mechanisms need to be distinguished.’
      • ‘Of course, sexual intimacy and fidelity between the sexes can be frustrating and exhausting, and particularly in a society which is increasingly predicated on other values.’
      • ‘Signals of fidelity and sexual restraint will be of value in a long-term partner, as this will help to increase a male's confidence of paternity in invested offspring.’
      • ‘With the decline in traditional patriarchy came a more virulent emphasis on female sexual fidelity and greater idealization of family harmony.’
      • ‘When was this promise of obedience and sexual fidelity made?’
      • ‘Relationship experiences included status, selectiveness with partners, importance of steady partners, fidelity, and communication.’
      • ‘Is sexual fidelity simply an elaborate social contract to keep the peace?’
      • ‘The aspect of marriage that strikes me as most relevant to homosexual couples (especially men) is the promise of sexual fidelity.’
      • ‘Young women were expected to show sexual fidelity to their dating partner, but males were not.’
      • ‘The problem I have with the presumption - as distinct from the conscious, informed choice - of sexual fidelity is that I think it closes off one way of learning.’
      • ‘Generally, a husband and wife owe one another duties of mutual respect, fidelity and support.’
      • ‘Children whose parents are split asunder by adultery have their assumptions about trust, fidelity and commitment greatly damaged.’
      • ‘One area in which men and women differ is the importance of their partner's sexual fidelity.’
      • ‘Marriage is still glamorous and still thought to include, as an aspiration, lifelong sexual fidelity.’
      • ‘The study also revealed that only 7 couples had actually maintained sexual fidelity and none of the seven had been together more than 5 years.’
      • ‘Sexual fidelity and honoring one's word (whether this involves a vow of marriage or a commitment to celibacy) go to the heart of who we are.’
      • ‘People's attitudes to sexual fidelity vary widely.’
      faithfulness, loyalty, constancy
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  • 2The degree of exactness with which something is copied or reproduced.

    ‘the 1949 recording provides reasonable fidelity’
    • ‘It may even be possible for MP3 players to save energy by playing tunes at a slightly lower fidelity without a noticeable change in audio quality.’
    • ‘While he demonstrates admirable aural fidelity to the concept, ideally a more musically compelling evocation would have made a stronger impression.’
    • ‘Because the genetic complement of the resultant daughter cells must be the same as the parental cell, DNA replication must possess a very high degree of fidelity.’
    • ‘It's been accused of having marginal audio fidelity, easily scratched, too expensive and too easy to copy.’
    • ‘The juxtaposition demonstrates the startling fidelity with which the director recreated his vision on screen.’
    • ‘It is a method for maximizing fidelity and dynamic range for a region of interest within a digitized medical image display.’
    • ‘The sound has apparently been cleaned up substantially and given the limited degree of fidelity, does a fine job conveying both the dialogue and the rather hypnotic background music.’
    • ‘Dynamic range and fidelity are only slightly present with most all of the soundstage filtering through the front and center speakers only.’
    • ‘When you have a repertoire of moves, you have fidelity in copying.’
    • ‘The difference in audio fidelity between the iTunes options and WMA is quite striking to anyone with a decent pair of ears.’
    • ‘Dynamic range and fidelity are limited by the source elements, but the sound does what is expected of it.’
    • ‘Audio is Dolby Digital two-channel mono, with reasonable fidelity and a high degree of clarity.’
    • ‘The optical quality of the medium makes this fidelity possible by minimizing distortion.’
    • ‘As technology improves, these documents will continually approach actual performance fidelity.’
    • ‘It would be unreasonable to expect a soundcard costing a few hundred dollars to approach the audio fidelity of a home system costing several times that amount.’
    • ‘For all that we now quest for absolute fidelity in recordings, I like the comforting scratch of an old record.’
    • ‘The result is maximum fidelity: a picture whose clarity, brilliance and color must be seen to be believed.’
    • ‘Actually, this is a pretty decent mix sporting dynamic range and medium fidelity.’
    • ‘This provides a measure of the potential fidelity of paleoecological reconstructions based on small samples of avian remains.’
    • ‘There's not a lot to report about this mix - it has little in the way of fidelity or dynamic range.’
    accuracy, exactness, exactitude, precision, preciseness, correctness, scrupulousness
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Late Middle English: from Old French fidelite or Latin fidelitas, from fidelis ‘faithful’, from fides ‘faith’. Compare with fealty.