nsw nsu • nswc · · · Info · Definitions · Characters · · nsw · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) the agency that provides units to conduct unconventional and counter-guerilla warfare. Synonyms: Naval Special Warfare, NSW. · · Noun Definition 1 Characters · · n latin small letter n U+006E s latin small letter s U+0073 w latin small letter w U+0077