- 1 (of feelings, beliefs or behaviour) showing what you really think or feel synonym genuine a sincere attempt to resolve the problem sincere regret Please accept our sincere thanks. a sincere apology Oxford Collocations Dictionary verbsappear, be, look, … adverbextremely, fairly, very, … prepositionabout, in See full entry
- 2 (of a person) saying only what you really think or feel synonym honest He seemed sincere enough when he said he wanted to help. sincere in something She is never completely sincere in what she says about people. Oxford Collocations Dictionary verbsappear, be, look, … adverbextremely, fairly, very, … prepositionabout, in See full entry opposite insincere Word Originmid 16th cent. (also in the sense ‘not falsified, unadulterated’): from Latin sincerus ‘clean, pure’.Extra examples Her protests seemed sincere enough. We offer our most sincere apologies. his refusal to be sincere about his feelings painfully sincere declarations of love the warm, deeply sincere note in her voice He insisted that they were making a sincere attempt to resolve the problem. I would like to express my sincere gratitude for your care and concern during this past week. Please accept our sincere apologies. You need to make a sincere apology to them.
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