Added 9 October 2026 truehearted adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about truehearted at Wordnik → Where our words come from → Unwavering in devotion to friend or vow or cause. a firm ally Related Words: faithfulloyalfirmpureheartedsingleheartedfullheartedheart-feltsimpleheartedhighheartedplainheartedhollowheartedopenhearted Back to today's word