Definitions for "Sincere"
Being in reality what it appears to be; having a character which corresponds with the appearance; not falsely assumed; genuine; true; real; as, a sincere desire for knowledge; a sincere contempt for meanness.
open and genuine; not deceitful; "he was a good man, decent and sincere"; "felt sincere regret that they were leaving"; "sincere friendship"
able to keep a straight face while feeding a line of BS. It's not whether it's true, it's whether you can say it earnestly.
characterized by a firm and humorless belief in the validity of your opinions; "both sides were deeply in earnest, even passionate"; "an entirely sincere and cruel tyrant"; "a film with a solemn social message"
Keywords:  unadulterated, unmixed, pure
Pure; unmixed; unadulterated.
Honest; free from hypocrisy or dissimulation; as, a sincere friend; a sincere person.
Keywords:  unhurt, uninjured, perfect, whole
Whole; perfect; unhurt; uninjured.
Keywords:  clean, wine, sound
sound, clean wine