monkish monkish(adj.) 1540s, “pertaining to a monk;” 1570s, “resembling or characteristic of a monk,” from monk (n.) + -ish. Related: Monkishly; monkishness. Discover more from that needful sacrifice Subscribe to get the latest posts sent to your email. Type your email… Subscribe Like Loading... Published by an absurd monk … all voices sound different in solitude! View all posts by an absurd monk