Noun

• S: (n) pervert, deviant, deviate, degenerate (a person whose behavior deviates from what is acceptable especially in sexual behavior)

Verb

• S: (v) deviate, divert (turn aside; turn away from)
• S: (v) deviate, vary, diverge, depart (be at variance with; be out of line with)
• S: (v) deviate (cause to turn away from a previous or expected course) "The river was deviated to prevent flooding"

Adjective

• S: (adj) aberrant, deviant, deviate (markedly different from an accepted norm) "aberrant behavior"; "deviant ideas"