oneness onement • oner · · · Info · Definitions · Synonyms · Characters · · oneness · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the quality of being united into one. Synonyms: unity. · · Noun Definition 1 Synonyms · · · unity · · Synonym 1 Characters · · e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073