adjective sincerer, sincerest
- without deceit, pretense, or hypocrisy; truthful; straightforward; honest: sincere in his desire to help
- being the same in actual character as in outward appearance; genuine; real: sincere grief
- Archaic not adulterated: sincere wine
- Obsolete uninjured; whole
Origin:
MFr sincére < L sincerus, clean, pure, sincere