stableness stablemate • stable oscillation · · · Info · Definitions · Synonyms · Antonyms · Characters · · stableness · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) the quality or attribute of being firm and steadfast. Synonyms: stability. · · Noun Definition 1 Synonyms · · · stability · · Synonym 1 Antonyms · · · instability · · Antonym 0 unstableness · · Antonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 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