The Collaborative International Dictionary of English v.0.48:
deviance \deviance\ n. 1. an aberrant state or condition. Syn: aberrance, aberrancy, aberration. [WordNet 1.5] 2. deviate behavior. Syn: deviation. [WordNet 1.5]WordNet (r) 3.0 (2006):
deviance n 1: a state or condition markedly different from the norm [syn: aberrance, aberrancy, aberration, deviance] 2: deviate behavior [syn: deviation, deviance]