ɔːˈθɒɹɪˌteɪtɪv əˈθɔɹɪˌteɪtɪv dɪˈfɪn.ɪt.ɪv ʌnɨˈkwɪvəkəl ˌʌnɪ̈ˈkwɪvəkəl supplying or being a final or conclusive settlement a definitive verdict a determinate answer to the problem clearly defined or formulated the plain and unequivocal language of the laws of recognized authority or excellence the definitive work on Greece