sin•cerePronunciation: (sin-sēr'), [key]
—adj., -cer•er, -cer•est.
free of deceit, hypocrisy, or falseness; earnest: a sincere apology.
genuine; real: a sincere effort to improve; a sincere friend.
pure; unmixed; unadulterated.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.