obstinacy obstinacious • obstinance · · · Info · Definitions · Synonyms · Characters · · obstinacy · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the trait of being difficult to handle or overcome. Synonyms: stubbornness, obstinance, mulishness. · · Noun Definition 1 (noun) resolute adherence to your own ideas or desires. Synonyms: stubbornness, bullheadedness, obstinance, pigheadedness, self-will. · · Noun Definition 2 Synonyms · · · stubbornness · · Synonym 1 obstinance · · Synonym 2 mulishness · · Synonym 3 bullheadedness · · Synonym 4 pigheadedness · · Synonym 5 self-will · · Synonym 6 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079