adj. 25B6; adjective SINCERE, genuine, from the heart; earnest, profound, deep, wholehearted, ardent, fervent, passionate, enthusiastic, eager; honest, bona fide.
insincere.
HEARTFELT
Meaning of HEARTFELT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012