Added 9 October 2026 kindheartedness noun Categories: FeelingsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about kindheartedness at Wordnik → Where our words come from → Sympathy arising from a kind heart. Related Words: kind-heartednessgoodheartednesswarmheartednesswarm-heartednessbigheartednessheartednesstrueheartednessgood-heartednessgentleheartednessheartlinessbig-heartedness Back to today's word