narrower

adjective
UK /ˈnærəʊə/
US /ˈnæroʊər/

More narrow than something else; not as wide.

This path is narrower than the road.


OTHER MEANINGS

2. A person or thing that makes something narrow.

The narrower of the two streets was closed.

3. More limited in range or scope.

We chose a narrower topic for the report.

4. Comparative form of narrow, meaning less wide.

The bridge gets narrower near the top.