Learner's definition of NARROWLY
[more narrowly; most narrowly]
by a very small number, amount, or distance
The bullet narrowly missed his heart. [=the bullet did not hit his heart, but it almost did]
We narrowly [=barely] escaped with our lives.
The team narrowly won the last game of the season.
in a way that does not include or involve many things or people
While the organization defines the term “family” very narrowly, many people have a rather liberal idea of what it means to be a family.
The study narrowly focuses on 30-year-old men.