Entry 2 senses · 2 variants Webster, 1913 Antasthmatic /(ănt`ăz*măt"ĭk; see Asthma; 277)/ · Ant·asth·mat·ic · IPA a. a. 01 a. Opposing, or fitted to relieve, asthma. 1. Opposing, or fitted to relieve, asthma.(Med.) 02 a. Opposing, or fitted to relieve, asthma. 1. Opposing, or fitted to relieve, asthma.(Med.)