Definition of insincere in English:



  • Not expressing genuine feelings.

    ‘she flashed him an insincere smile’
    • ‘Those displays of grief also happen to be insincere.’
    • ‘One problem with almost all systems is that they're subject to insincere or strategic voting, a practice that all parties seem to encourage.’
    • ‘It's not an insincere smile, just rather mysterious: you see it neither arriving nor departing.’
    • ‘Suddenly and surprisingly, his trademark insincere grin and reflexive eyebrow-raising have come into their own.’
    • ‘He even hated the religiosity of Americans, calling it completely insincere.’
    • ‘Supporters have learned to recognise those insincere comments for what they are worth and treat them accordingly.’
    • ‘This Joe asks questions, at times sounds insincere and at times doesn't know how to express the right emotion.’
    • ‘There were extraneous rounds of ‘love, love, love’, which made the whole song sound insincere.’
    • ‘To a healthy person, none of these comments seem unusual or insincere.’
    • ‘Hallie gave him a quick, insincere smile that looked more like a grimace.’
    • ‘When they tout the virtues of this doctrine, they are being insincere.’
    • ‘While having a positive and happy disposition, you are so sensitive that you can feel when others are being dishonest or insincere.’
    • ‘One man's face time in the television segment had to be cut down because he came off as much more insincere on screen than on the radio.’
    • ‘She describes this binding of her brother's death with a call to arms as insincere, hypocritical and exploitative.’
    • ‘The monotonous words sounded fake and insincere, as if they were predetermined and he was only reciting the memorized lines in some sort of play.’
    • ‘Mostly this is because they are simply insincere, and say what they say maliciously and in knowledge of its falsehood.’
    • ‘If you want to avoid insincere professionals, all you have to do is not pull out your cash or credit card when it comes to that portion of the transaction.’
    • ‘It isn't that the crew members come across as being insincere.’
    • ‘With an insincere apology, she shuffled off, furtively glancing over her shoulder to make sure no one had seen her colluding with a stranger.’
    • ‘He was not afraid of her, and she sensed his bravery was genuine and not the result of insincere male bravado.’
    false, fake, hollow, artificial, feigned, pretended, put-on, exaggerated, overdone, lacking sincerity, not candid, not frank
    disingenuous, dissembling, dissimulating, devious, hypocritical, cynical, deceitful, deceptive, duplicitous, dishonest, underhand, double-dealing, faithless, disloyal, treacherous, two-faced, janus-faced, lying, untruthful, mendacious, evasive, shifty, slippery
    phoney, pretend, pseud
    View synonyms


Mid 17th century: from Latin insincerus, from in- not + sincerus sincere.