To provide something in particular or have something as a focus:
To decrease or limit in width
To include as an item in a set of specifications
To diversify is defined as to divide up and add variety.
Find another word for narrow-down. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for narrow-down, like: pin-down, nail-down, specialize, narrow, peg-down, specialise, specify and diversify.