null set null method • null space · · · Info · Definitions · Characters · · null set · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a set that is empty; a set with no members. Synonyms: null set. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075