·superl Pure; unmixed; unadulterated.
II. Sincere ·superl Whole; perfect; unhurt; uninjured.
III. Sincere ·superl Honest; free from hypocrisy or dissimulation; as, a sincere friend; a sincere person.
IV. Sincere ·superl 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.