Added 9 October 2026 halfhearted adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). More about halfhearted at Wordnik → Where our words come from → Lacking full energy, effort, commitment, or resolve. He made a halfhearted attempt to read the chapter before giving up and dozing off. Lacking in heart or beneficence; ungenerous; unkind. Origin From half + hearted. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: lukewarmunenthusiastichalf-heartedlistlesslightweightfeeblemailed-inflaccidineffectualweaklackadaisicalfaint Back to today's word