Definition of sincere in US English:


adjectivesincerest, sincerer

  • 1Free from pretense or deceit; proceeding from genuine feelings.

    ‘they offer their sincere thanks to Paul’
    • ‘As far as this is concerned, there was no distortion of facts, but only a sincere statement of their observations.’
    • ‘What has he got to show us for all his well-hidden, but undoubtedly sincere, concern?’
    • ‘The painting also feels achingly sincere, while also appearing a little awkward.’
    • ‘The sincere and succinct work has won a multitude of readers and gained the applause of local critics.’
    • ‘Let's have a real, sincere dialogue on that issue and then try to move forward together.’
    • ‘To all the family and relations deepest and sincere sympathy is extended on this very sad occasion.’
    • ‘I would like to offer my sincere apologies to you if you have wrongly received a reminder about your council tax in the last week.’
    • ‘The way he captured Donald's sincere love, admiration, and envy for his brother was remarkable.’
    • ‘Suddenly you're not even trying to paint on a smile that's not sincere.’
    • ‘The club has extended a sincere thanks to all that support the weekly lotto.’
    • ‘Although it was sincere, such a policy is not sustainable in the end.’
    • ‘He created an absurd and funny universe that, though ridiculous, always seemed real and sincere.’
    • ‘Hence, we try to make our supplication sincere, free of any thoughts that may not please God.’
    • ‘They have a sincere and deep conviction about the license of free speech.’
    • ‘The truth was more that the agenda didn't fit with her sincere and earnest style, so why should she change in order to fit it?’
    • ‘Your feeling for this person would therefore be very real and very sincere.’
    • ‘The committee wishes to express sincere thanks to all those who supported it and donated prizes.’
    • ‘No political entity should object to the sincere efforts to improve the city in even the smallest way.’
    • ‘Wouldn't a prayer or period of quiet reflection be more genuine and sincere?’
    • ‘Our apologies that this letter is of a general nature, but the gratitude and thanks are nonetheless just as sincere.’
    heartfelt, wholehearted, profound, deep, from the heart
    honest, genuine, truthful, unhypocritical, meaning what one says, straightforward, direct, frank, candid
    View synonyms
    1. 1.1 (of a person) saying what they genuinely feel or believe; not dishonest or hypocritical.
      • ‘Whilst most of these champions are articulate and sincere, they are also human, and therefore flawed.’
      • ‘He is being sincere, even if he's not always completely honest with his intentions.’
      • ‘We respect your willingness to debate with us, and we believe that you are sincere in your arguments.’
      • ‘If they were sincere they would open the entire process of the city budget allocation to the public.’
      • ‘Saved by Mary and taken under her wing, they benefited from the love and education of a sincere and intelligent woman.’
      • ‘I cannot discern anything tricksy in his demeanour, I really do believe that he is sincere.’
      • ‘Denis was one of nature's true gentlemen, quiet and sincere and a wonderful family man.’
      • ‘The German political elite was sincere in renouncing German nationalism.’
      • ‘This suggests to us that journalists are indeed sincere in their belief that they are free and independent.’
      • ‘A sincere man, he says integrity makes sense from a business point of view.’
      • ‘What made it worse was that I couldn't even be sure he was sincere in suggesting we stood out as a nation of bookkeepers.’
      • ‘If the parents are honest and sincere, the teenager will feel obligated to adhere to such values.’
      • ‘Be sincere and careful not to make it sound as if you are moaning.’
      • ‘I mean a more subtle form which is displayed by even the most well meaning and sincere people.’
      • ‘Even when converts appear genuine and sincere, it's still a difficult concept to take seriously.’
      • ‘I've no doubt they were sincere and am sure they don't want mass starvation.’
      • ‘In his contact with people he was sincere and forthright, and always generous and ready to help in a practical way.’
      • ‘Karen had promised, and her palpable disappointment had given him reason to believe she was sincere.’
      • ‘If teachers are sincere, they sometimes request their relatives to chip in and take a class or two.’
      • ‘Many are run by sincere people who genuinely believe what they teach.’


Mid 16th century (also in the sense ‘not falsified, unadulterated’): from Latin sincerus ‘clean, pure’.