sincere
[adjective]
Synonyms: honest, candid, earnest, frank, genuine, guileless, heartfelt, real, serious, true, unaffected

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Antonyms: insincere
Contrasted words: affected, artificial, feigned, put-on, unmeant
Related Idioms: honest to God
Related Words: candid, frank, frankhearted, open, plain, faithful, honest, truthful, aboveboard, forthright, pretensionless, straightforward, unpretentious, dear, devout, heartful, meant, unaffected, authentic, bona fide, serious, actual

[TahlilGaran] English Synonym Dictionary ▲

sin‧cere /sɪnˈsɪə $ -ˈsɪr/ adjective
[Date: 1500-1600; Language: Latin; Origin: sincerus 'clean, pure']

1. a feeling, belief, or statement that is sincere is honest and true, and based on what you really feel and believe Synonym : genuine
sincere thanks/thank you/gratitude
I would like to say a sincere thank you to everyone who has helped and supported me.
Please accept my sincere apologies.
his sincere desire to find out the truth

2. someone who is sincere is honest and says what they really feel or believe Antonym : insincere:
a warm-hearted, sincere man
sincere in
They were obviously sincere in their beliefs.
I wasn’t sure that he was sincere in what he was saying.

[TahlilGaran] Dictionary of Contemporary English ▲

sincere
adj.
VERBS be, look, seem, sound
ADV. deeply, really, very the warm, deeply sincere note in her voice
completely, entirely, perfectly, quite, utterly, wholly | enough Her protests seemed sincere enough.
PREP. about his refusal to be sincere about his feelings
in Have they been sincere in their efforts to resolve the crisis?

[TahlilGaran] Collocations Dictionary ▲