narrower
nar-row-er
adjective
Having a smaller width or extent; more restricted in space or scope.
"The road became narrower near the village."
Thesaurus
Synonyms: narrow, specialise, specialize, narrow down, constringe, constrict, marginal, bare, dogmatical, petty, closed-minded, self-opinionated
Antonyms: branch out, broad, broad-minded, broaden, diversify, wide, widen