Difference between Sincere and Honest

SINCERE vs HONEST: ADJECTIVE

Meant truly or earnestly.
Earnest; meaning what one says or does; truthful.
Honest; free from hypocrisy or dissimulation.
Open and genuine; not deceitful
Not feigned or affected; genuine.
Being without hypocrisy or pretense; true.
Pure; unadulterated.
Being in reality what it appears to be; having a character which corresponds with the appearance; not falsely assumed; genuine; true; real.
Whole; perfect; unhurt; uninjured.
Pure; unmixed; unadulterated.
Characterized by a firm and humorless belief in the validity of your opinions

Without pretensions
Marked by truth
Not disposed to cheat or defraud; not deceptive or fraudulent
Habitually speaking the truth
Without dissimulation; frank
Gained or earned without cheating or stealing
Not forged
Earned or acquired in a fair manner.
Authentic; full.
Accurate.
In good faith; without malice.
True, especially as far as is known by the person making the statement; fair; unbiased.
Scrupulous with regard to telling the truth; not given to swindling, lying, or fraud; upright.
Chaste; faithful; virtuous.
Open; frank.
Decent; honorable; suitable; becoming.
Virtuous; chaste.
Without affectation; plain.
Of good repute; respectable.
Sincere; frank.
Characterized by truth; not false.
Equitable; fair.
Not deceptive or fraudulent; genuine.
Marked by or displaying integrity; upright.
Free from guile
Worthy of being depended on
Characterized by integrity or fairness and straightforwardness in conduct, thought, speech, etc.; upright; just; equitable; trustworthy; truthful; sincere; free from fraud, guile, or duplicity; not false; -- said of persons and acts, and of things to which a moral quality is imputed

Not deceitful
Open and genuine
Synonyms and Fair, Open, etc. (see candid); Cordial, Sincere, etc. (see hearty), unfeigned, undissembling, artless, heartfelt.
Morally pure; undepraved; upright; virtuous; blameless.
Free from duplicity or dissimulation; honest in speech or intention; guileless; truthful; frank.
Unalloyed or unadulterated by deceit or unfriendliness; free from pretense or falsehood; honestly felt, meant, or intended: as, a sincere wish; a sincere effort.
Having no admixture; free; clear: followed by of.
Pure; unmixed; unadulterated; free from imitation; good throughout: as, sincere work.
Sound; whole; unbroken; without error, defect, or injury.

To do honor to; grace; adorn.
Having a sense of honor; having honorable feelings, motives, or principles; free from deceit or hypocrisy; true, candid, upright, or just in speech and action; fair in dealing, or sincere in utterance; worthy to be trusted.
Specifically— Having the virtue of chastity; chaste; virtuous: said of a woman.
Having no disposition to cheat, steal, or lie.
Characterized by or proceeding from honorable motives or principles; marked by truth, justice, sincerity, fairness, etc.: as, an honest transaction; honest opinions or motives; an honest effort.
Of honorable quality; creditable; reputable; proper; becoming: as, a man of honest report.
Excellent in quality; good.
Of honorable appearance; fair-seeming; having the semblance of truthfulness, fairness, etc.
Open; undisguised; boldly or frankly showing purpose, character, or quality, whether good or bad: as, the honest pursuit of pleasure or gain; an honest rogue.
Synonyms and Conscientious, trust-worthy, trusty, frank.
Frank
Without dissimulation
Not disposed to cheat or defraud
Not deceptive or fraudulent

Heart whole, Bona fide, Dear, Serious, Solemn, Devout, True, Unfeigned, Earnest, Fervent, Wholehearted, Cordial, Honest, Genuine, Heartfelt

Straight, Square, Veracious, Open, Downright, Reliable, Artless, Dependable, Guileless, Unpretentious, True, Honorable, Trustworthy, Sincere, Truthful

Heart whole, Bona fide, Dear, Serious, Solemn, Devout, True, Unfeigned, Earnest, Fervent, Wholehearted, Cordial, Honest, Genuine, Heartfelt

Straight, Square, Veracious, Open, Downright, Reliable, Artless, Dependable, Guileless, Unpretentious, True, Honorable, Trustworthy, Sincere, Truthful

Sincere wishes on your anniversary, Mom and Dad!
One integral and sincere confession within nine days.
Please believe in my feelings of sincere friendship.
Please be reflective and sincere in your discussion.
Crown patrons has often been read as sincere.
Finallymy most sincere thanks to my wife Lauren.
He is childlike, simple, humble, sincere, and forgiving.
Heather Price is sincere, laid back and professional.
Those sincere men who told them so believed it because an earlier generation of sincere men had told them the very same thing.
Her narratives combine sincere anxiety and sincere compassion.

Santos, the owner, is honest and hard working.
Be honest when you fill out your preferences.
Mock influencer documents the VERY honest reality behind.
Honest opinion I doubted that call would come.
Put the honest in positions of power and discard the dishonest, and you will force the dishonest to be honest.
RBTs are truthful and honest and create an environment that promotes truthful and honest behavior in others.
Behaving with integrity means not just being honest yourself, but also encouraging others to be honest with you.
With the same honest views, the most honest men often form different conclusions.
They are honest in their views, and I am honest in my views, and the gentleman from Massachusetts is honest in his views.
You must have honest balances, honest weights, an honest ephah, and an honest hin.