mu·tant /ˈmjuːtənt/ noun [countableC] 1. HBan animal or plant that is different in some way from others of the same kind, because of a change in its genetic structure 〔动物或植物的〕突变型,突变体 2. something that is very different from others of the same type, in a way that is strange or bad – often used humorously 变异的东西;怪胎〔常为幽默用法〕 —mutant adjectiveadj [only before noun]