deviant

名词 deviant:

1. a person whose behavior deviates from what is acceptable especially in sexual behavior
   同义词：pervert, deviate, degenerate

形容词 deviant:

1. markedly different from an accepted norm
   同义词：aberrant, deviate

1. Not typical, usual, or regular; not normal; deviant.
   反常的，异常的非一般的、不平常的或非惯例的; 不正常的; 反常的

de.vi.ant

adj.（形容词）
Differing from a norm or from the accepted standards of a society.
偏离，脱离：不正常的或脱离社会常轨的
n.（名词）
One that differs from a norm, especially a person whose behavior and attitudes differ from accepted social standards.
不正常的人：指不正常的人，特别是行为和处世态度脱离社会常轨的人

来源：
Middle English deviaunt
中古英语 deviaunt
from Late Latin dôvi3ns dôviant- [present participle of] dôvi3re [to deviate] * see deviate
源自 后期拉丁语 dôvi3ns dôviant- [] dôvi3re的现在分词 [背离] *参见 deviate

【引伸】
de.viance 或
de.viancy
n.（名词）