Entry 3 senses · 2 variants Webster, 1913 Monastic /mən-ăs'-tĭk/ · Mo·nas·tic · IPA /məˈnæstɪk/ n. a. 01 n. A monk. 1. A monk. 02 a. Of or pertaining to monasteries, or to their occupants, rules, etc., as, monastic institutions or rules. 1. Of or pertaining to monasteries, or to their occupants, rules, etc., as, monastic institutions or rules. 2. Secluded from temporal concerns and devoted to religion; recluse.