Webster’s Revised Unabridged Dictionary · 1913
Monastic
Mo·nas′tic, n. A monk.
Mo·nas′tic, Mo·nas′tic·al, a. [Gr. μοναστής monk: cf. F. monastique. See Monastery.] 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. "A life monastic." Denham.