A male member of a monastic order who has devoted his life for religious service.

In earlier usage, an eremite or hermit devoted to solitude, as opposed to a cenobite, who lived communally.

A male who leads an isolated life; a loner, a hermit.

To be a monk.

To act like a monk; especially to be contemplative.

To monkey or meddle; to behave in a manner that is not systematic.