Monkish often ties to religious lifestyles, hinting at discipline and self-denial. The minimalist room had a monkish quality, free from all but the essentials.
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Emotional Undertone
'Monkish' can imply admiration for someone's self-control or pity for their lack of pleasure. Richard's monkish dedication to his studies both impressed and worried his friends.
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Not Just Religion
Monkish doesn't always mean religious; it's used for any lifestyle avoiding luxuries. Even though he isn't religious, his monkish diet avoids all but the simplest foods.