恳切 (kěn qiè) is an adjective meaning 'earnest' or 'heartfelt', describing speech, writing, or behavior that shows deep sincerity, genuine concern, and emotional intensity. The first character 恳 (kěn) means 'sincere' or 'earnest', often associated with humble, earnest requests; the second character 切 (qiè) means 'urgent' or 'deeply felt', reinforcing emotional weight and urgency. Together, they form a compound that emphasizes both moral seriousness and emotional authenticity.

This word is commonly used in formal or emotionally charged contexts — such as appeals, letters of petition, apologies, or speeches — where the speaker wants to convey profound sincerity and respectful urgency. It frequently modifies nouns like 请求 (qǐngqiú, 'request'), 劝告 (quànggào, 'advice'), or 言辞 (yáncí, 'words'). Unlike casual synonyms like 真诚 (zhēnchéng), 恳切 carries a stronger connotation of earnest appeal or urgent sincerity, often implying humility and moral weight.