Describing a person or thing that is genuine and without pretense or insincerity. This word is often used to describe someone who is honest and true to themselves, speaking and acting with genuine conviction.


US English

UK English

Part of Speech



Genuine, honest, truthful, earnest, heartfelt


Insincere, fake, false, hypocritical, deceitful

Word Forms

Part of Speech Words
Noun sincerity, sincerities
Verb None
Adjective sincere
Adverb sincerely

Example Sentences

  • Her sincere apology made it clear that she was truly sorry for what she had done.

  • His sincere efforts to make amends for his mistakes were admirable and showed his true character.

  • The sincere smile on her face was a reflection of her genuine happiness and joy.

  • She delivered a sincere apology, expressing her deep regret and promising to make amends for her mistake.


When we describe someone or something as sincere, we mean that they are genuine, honest, and truthful. This type of person is earnest in their words and actions and their emotions are heartfelt. A sincere apology, for example, is one that comes from the heart and reflects true remorse for the wrong that was done. A sincere person is not afraid to admit their mistakes and take responsibility for them. They are not insincere or fake, and their actions are always in line with their words. Sincerity is a quality that is highly valued and respected, as it shows that someone is genuine and trustworthy. When we encounter a sincere person, we are reminded that there are still individuals in the world who are honest and truthful, and this can inspire us to be more sincere in our own lives.