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de·vi·ant -ənt adj deviating esp. from some accepted norm: characterized by deviation (as from a standard of conduct) <socially \deviant behavior>
deviant n something that deviates from a norm esp a person who differs markedly (as in social adjustment or sexual behavior) from what is considered normal for a group
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de·vi·ant (deґve-ənt) [L. deviare to turn aside] 1. varying from a determinable standard. 2. an individual with characteristics varying from what is considered normal or standard.Medical dictionary. 2011.