- (formal)
not usual or not socially acceptable 违反常规的；反常的；异常的 The aim is to find the cause of the child's aberrant behaviour. 目的是找出孩子异常行为的原因。
Extra ExamplesThe waiter's manner suggested that vegetarianism was aberrant and therefore embarrassing. 服务员的态度表明素食主义是异常的，因此令人尴尬。 The word ‘street’ as in ‘street crime’ is used as a metaphor for what is aberrant and fearful in the light of social norms. “街头犯罪”中的“街头”一词被用来比喻社会规范中的异常和恐惧。
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biology 生物 being or becoming different from the normal type 异常： 与正常类型不同或变得不同aberrant chromosomes 畸变染色体。
Word Originmid 16th cent.: from Latin aberrant- ‘wandering away’, from the verb aberrare, from ab- ‘away, from’ + errare ‘to stray’.