"deviate" in the noun sense
1. pervert, deviant, deviate, degenerate
a person whose behavior deviates from what is acceptable especially in sexual behavior
"deviate" in the verb sense
1. deviate, divert
turn aside turn away from
2. deviate, vary, diverge, depart
be at variance with be out of line with
cause to turn away from a previous or expected course
"The river was deviated to prevent flooding"
"deviate" in the adjective sense
1. aberrant, deviant, deviate
markedly different from an accepted norm
Source: WordNet® (An amazing lexical database of English)
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