I. “+ adverb
Etymology: Middle English, from un- (I) + manly, adverb
archaic : in an unmanly manner
a dominion so unmanly cruel — John Cleveland
II. adjective
Etymology: Middle English, from un- (I) + manly, adjective
: not manly: as
a. : of weak character : pusillanimous , cowardly
unmanly despair which bids men eat and drink for tomorrow they die — J.R.Green
b. : effeminate , sissy
looked upon the arts as unmanly forms of escape — Lewis Mumford