sincere Meaning, Definition & Usage

  1. adjective open and genuine; not deceitful
    • he was a good man, decent and sincere
    • felt sincere regret that they were leaving
    • sincere friendship
  2. adjective satellite characterized by a firm and humorless belief in the validity of your opinions
    solemn; earnest.
    • both sides were deeply in earnest, even passionate
    • an entirely sincere and cruel tyrant
    • a film with a solemn social message

WordNet

Sin*cere" adjective
Etymology
L. sincerus, of uncertain origin; the first part perhaps akin to sin- in singuli (see Single), and the second to cernere to separate (cf. Discern): cf. F. sincère.
Wordforms
comparative Sincerer ; superlative Sincerest
Definitions
  1. Pure; unmixed; unadulterated.
    There is no sincere acid in any animal juice. Arbuthnot.
    A joy which never was sincere till now. Dryden.
  2. Whole; perfect; unhurt; uninjured. Obs.
    The inviolable body stood sincere. Dryden.
  3. 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.
    A sincere intention of pleasing God in all our actions. Law.
  4. Honest; free from hypocrisy or dissimulation; as, a sincere friend; a sincere person.
    The more sincere you are, the better it will fare with you at the great day of account. Waterland.
    Syn. -- Honest; unfeigned; unvarnished; real; true; unaffected; inartificial; frank; upright. See Hearty.

Webster 1913