1) Austere and reclusive 2) Benedictine or Franciscan 3) Cloistered 4) Cloistral 5) Conventual 6) French word used in English 7) Like a friar 8) Like some vows 9) Mo ·nastic noun a monk 10) Monastical 11) Monk or monkish 12) Reclusive and austere 13) Solitary 14) Spartan and seclusive 15) Unworldly Found on https://www.crosswordclues.com/clue/monastic
of or pertaining to monasteries: a monastic library. · of, pertaining to, or characteristic of monks or nuns, their manner of life, or their religious obligations: monastic vows. · of, pertaining to, or characteristic of a secluded, dedicated, or austere manner of living. Found on https://www.infoplease.com/dictionary/monastic