monkish
/ˈmɒnɪʃ/Definitions
1. adjective
relating to monks or their way of life
“The monkish simplicity of the old monastery’s architecture was a stark contrast to the modern cityscape.”
2. noun
a person who leads a simple and devout life, often in a monastery
“The young man was drawn to the monkish order, seeking a life of spiritual contemplation.”