unisexualPronunciation: /juːnɪˈsɛksjʊəl, -ʃʊəl/Definition of unisexual adjective (of an organism) either male or female; not hermaphrodite. Botany (of a flower) having either stamens or pistils but not both. Derivatives unisexualityPronunciation: /-ʊˈalɪti/ noun unisexually adverb unisexual in other Oxford dictionaries Definition of unisexual in the US English dictionary