Sincere

adj.kind, thoughtfulwarm

What it means

Honest in feeling or intention, with expression that matches what is meant.

Reach for it when praising thanks, concern, apology, or character as free from pretense

Her sincere apology named the harm and the repair she would make.

everyday
honest
when truthfulness of the content matters
not when Honest words can be blunt or reluctantly factual without sincere goodwill.
warm
genuine
when authenticity rather than performance is central
not when Genuine can describe an object or identity, while sincere concerns feeling or intent.
warm
heartfelt
when strong personal emotion gives words their truth
not when A sincere professional promise may be calm rather than emotionally heartfelt.
warm
wholehearted
when full commitment accompanies sincere support
not when Sincerity can be real even when energy or agreement is limited.
professional
authentic
when conduct aligns with identity or stated values
not when Its broad, fashionable use can feel less personal than sincere.
professional
candid
when open disclosure avoids concealment
not when Candor may reveal an unpleasant truth without warmth or good intention.
formal
earnest
when serious conviction and effort are visibly present
not when It can make a light but genuine compliment sound solemn.
literary
unfeigned
when explicitly ruling out pretense matters
not when The rare form draws attention to itself in a simple thank-you note.

sincere thanks
Please accept our sincere thanks for keeping the kitchen open late.
sincere person
A sincere person, Mala said what she could promise and what she could not.
sincere apology
His sincere apology was followed by a corrected invoice that morning.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.