• WordNet 3.6
    • adj sincere 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"
    • adj sincere open and genuine; not deceitful "he was a good man, decent and sincere","felt sincere regret that they were leaving","sincere friendship"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Grasping your ears is a sign of repentance or sincerity in India.
    • 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. "A sincere intention of pleasing God in all our actions."
    • Sincere 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."
    • Sincere Pure; unmixed; unadulterated. "There is no sincere acid in any animal juice.""A joy which never was sincere till now."
    • Sincere Whole; perfect; unhurt; uninjured. "The inviolable body stood sincere ."
    • ***
Century Dictionary and Cyclopedia
    • sincere Sound; whole; unbroken; without error, defect, or injury.
    • sincere Pure; unmixed; unadulterated; free from imitation; good throughout: as, sincere work.
    • sincere Having no admixture; free; clear: followed by of.
    • sincere Unalloyed or unadulterated by deceit or unfriendliness; free from pretense or falsehood; honestly felt, meant, or intended: as, a sincere wish; a sincere effort.
    • sincere Free from duplicity or dissimulation; honest in speech or intention; guileless; truthful; frank.
    • sincere Morally pure; undepraved; upright; virtuous; blameless.
    • sincere Synonyms and Fair, Open, etc. (see candid); Cordial, Sincere, etc. (see hearty), unfeigned, undissembling, artless, heartfelt.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Sincere sin-sēr′ clean: pure:
    • adj Sincere sin-sēr′ (B.) unadulterated: being in reality what it is in appearance: unfeigned: frank: honest: true, virtuous
    • ***


  • Edward G. Bulwer-Lytton
    “Enthusiasm is the genius of sincerity and truth accomplishes no victories without it.”
  • Confucius
    “Faithfulness and sincerity are the highest things.”
  • Arnold Bennett
    “All wrong doing is done in the sincere belief that it is the best thing to do.”
  • Confucius
    “Sincerity and truth are the basis of every virtue.”
  • Francois De La Rochefoucauld
    “Weak people cannot be sincere.”
  • Daniel Schorr
    Daniel Schorr
    “Sincerity: if you can fake it, you've got it made.”


Webster's Revised Unabridged Dictionary
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. sinc,ère
Chambers's Twentieth Century Dictionary
Fr.,—L. sincerus, clean, generally derived from sine, without, cera, wax; better from sin-, single, -cerus for an assumed scerus, bright.


In literature:

He was not sincere in his protestations of admiration; that she perceived immediately.
"The Loyalist" by James Francis Barrett
You can best judge of the sincerity of this declaration.
"The Diplomatic Correspondence of the American Revolution, Vol. VIII" by Various
A more sincere and genuine election has never been held.
"Lectures on the French Revolution" by John Emerich Edward Dalberg-Acton
Of course, if his intentions are sincere, and the wishes of another should accord therewith.
"Alonzo and Melissa" by Daniel Jackson, Jr.
Treating with them, foreign Governments could and did believe in a sincere and lasting peace.
"Memoirs To Illustrate The History Of My Time" by François Pierre Guillaume Guizot
It must feel and prove, must test and ascertain, whether one is prompted by a sincere and gracious will.
"Epistle Sermons, Vol. II" by Martin Luther
The theory that all bad art is the result of sincere feeling was certainly not exemplified in his case.
"The Limit" by Ada Leverson
The Prince wishes his sincere congratulations and kind remembrance to be conveyed to Sir William Codrington.
"The Letters of Queen Victoria, Volume III (of 3), 1854-1861" by Queen of Great Britain Victoria
He tried hard to cultivate the same feelings, but could not do so with perfect sincerity.
"The Life of Sir James Fitzjames Stephen, Bart., K.C.S.I." by Sir Leslie Stephen
Did she sincerely wish to answer his letter?
"Jennie Gerhardt" by Theodore Dreiser

In poetry:

Rest happy Land awhile, ah longer so
didst thou thine happiness sincerely know!
But soon thy quiet with thy goodness past,
& in the song alone obtaind to last.
"Deborah" by Thomas Parnell
I have a wife, to me more dear Then is my own heart's blood;
I have a child, (a starting tear,
Which soon he dried, of love sincere,
On his stern eyelid stood);
"The Harp Of Hoel" by William Lisle Bowles
Therefore to be sincere is to be strong.
Bare as it is, what glimmer hath the star;
The water tells the fountain's soul in song
And voice of crystal flowing out afar.
"Portico" by Ruben Dario
Awake, my sluggish soul! from sleep awake,
And with a heart sincere attempt to sing
(In the most daring flight thy thoughts can take)
The glorious praises of th' eternal King!
"How A Person Ought To Rouse Up Both Body And Soul, In The Dead Of Night, To Praise His God " by Rees Prichard
But with each year more splendid and more spreading
The taut beginning of the rose will bloom,
More clearly grow in health and sense of honour,
Sincerity more visibly will loom.
"From early dawn the thirtieth of April..." by Boris Pasternak
I'm sad tonight! I did not know
How dear she was to me;
How fervent was her passion's glow,
Her love's sincerity;
Till o'er her grave, the tombs between,
The grass was growing green.
"Afterward" by Samuel Alfred Beadle

In news:

If there's one thing Americans always say they want from politicians, it's sincerity.
My family and I want to express our sincere gratitude for all the love and devotion my mother-in-law, Julia Sinay, received from the 7th floor staff and residents at Loretto.
Sincerity, passion and enthusiasm are three qualities essential to the profession.
With its sincere sweetness and Will Farrell's gangly goofery, Elf was instantly absorbed into the holiday movie canon when it hit theaters in 2003.
If this election is as close as polls indicate, the first candidate displaying any sincere evidence of humility might gain the advantage with that dwindling group of undecided voters.
He forgives us of our sins when we sincerely ask Him to do so.
For those in need, the slightest bit of assistance means more than many of us can imagine and is sincerely.
Frank Gore's sincerity, drive can't be questioned.
Frank Gore is the most sincere running back in the NFL.
Why should it matter which words we use to extend good wishes during the holidays, as long as we are sincere and genuine in our greetings.
ORANGE — I sincerely hope you had a good Thanksgiving Day.
Frank Gore 's sincerity, drive can't be questioned.
Frank Gore is the most sincere running back in the NFL.
We are embarrassed by the error and offer our sincere apologies.
The Republican professes to sincerely believe that almost half the nation is a drain on the other half.

In science:

The author wishes to express his sincere thanks to Professor Bruce C.
Analogues of the general theta transformation formula
I would like to express my sincere gratitude to Professor Larry Goldstein of the Department of Mathematics at the University of Southern California for suggesting this topic and for his many valuable comments that greatly improved this correspondence.
Limiting Behavior of High Order Correlations for Simple Random Sampling
She also sincerely thanks Pierre-Guy Plamondon, Fan Qin and Dong Yang for helpful discussions and Zhonghua Zhao for constant encouragement.
Almost complete cluster tilting objects in generalized higher cluster categories
The author express his sincere thanks to referees and my Professor Nabil L.
On Akbar-Zadeh's Theorem on a Finsler Space of Constant Curvature
The author who still sincerely believes in his result will therefore claim that the diagnosis is wrong because the wrong context has been assumed.
Simple refutation of Joy Christian's simple refutation of Bell's simple theorem