sin·cere

[sin-seer]

–adjective, -cer·er, -cer·est.

1. free of deceit, hypocrisy, or falseness; earnest: a sincere apology.

2. genuine; real: a sincere effort to improve; a sincere friend.

3. pure; unmixed; unadulterated.

4. Obsolete . sound; unimpaired.