Added 9 October 2026 heartfelt /ˈhɑːt.fɛlt/ adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about heartfelt at Wordnik → Where our words come from → Sincerely earnest. one's dearest wish Origin From heart + felt. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: dearearnestsinceredevoutwarmlyheartycordialwhole-heartedlywholeheartedlythoroughwholeheartedhonest Back to today's word