Entry 3 senses · 2 variants Webster, 1913 hypertensive · IPA /hˌaɪpərtˈɛnsɪv/ n. n. 01 n. having abnormally high blood pressure. 1. having abnormally high blood pressure. 2. Causing high blood pressure. 02 n. A person who suffers from persistently high blood pressure. 1. A person who suffers from persistently high blood pressure.