deviant (adj.) Look up deviant at Dictionary.com
c.1400, from Late Latin deviantem (nominative devians), present participle of deviare "turn aside," from Latin phrase de via, from de "off" (see de-) + via "way" (see via). The noun meaning "one that deviates" is from late 15c.; in the sexual sense, from 1952; also deviate (n.), recorded since 1912.