Added 10 October 2026 asystolic adjective Categories: Obscure Words adjective ! Definition from Wiktionary (CC BY-SA). More about asystolic at Wordnik → Where our words come from → Pertaining to asystole. Not having a heartbeat. The patient was asystolic when he arrived at hospital. Not systolic. Related Words: absentaneousairlessatonicasyndeticpulselessabaticasterlessstrokelessabasicakineticacardiacasomatous Back to today's word