sincere

adjective
UK /sɪnˈsɪə/
US /sɪnˈsɪr/

Being sincere means you really mean what you say and feel.

She gave me a sincere apology for breaking my toy.


OTHER MEANINGS

2. Not pretending or faking; real and true.

His sincere smile showed he was happy to see us.

3. Showing true feelings without hiding anything.

She wrote a sincere letter to thank her teacher.

4. Free from deceit or hypocrisy.

They offered sincere congratulations to the winner.

5. Done with real effort and care.

He made a sincere attempt to fix the mistake.