adverb
Etymology: Middle English narowly, from Old English nearulīce, from nearu narrow + -līce -ly — more at narrow
: in a narrow manner: as
a. : with little width or extent
a narrowly constructed causeway
b. : by a slight margin : barely
narrowly escaped
the Indian onslaught … narrowly missed extinguishing the colony — American Guide Series: Virginia
c.
(1) : with strict adherence to details, rules, or norms
a narrowly interpreted constitution
(2) : with minute scrutiny : carefully
search an area narrowly
d. : with utmost vigor : intensely
a narrowly pursued course of action
e. : in a particularly petty, illiberal, or narrow-minded way
not narrowly moral — F.R.Leavis