usefulness usefully • usehold · · · Info · Definitions · Synonyms · Antonyms · Characters · · usefulness · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the quality of being of practical use. Synonyms: utility. · · Noun Definition 1 Synonyms · · · utility · · Synonym 1 Antonyms · · · inutility · · Antonym 0 uselessness · · Antonym 1 unusefulness · · Antonym 2 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075