deviatev. i.[L. deviare to deviate; de + viare to go, travel, via way. See Viaduct.] To go out of the way; to turn aside from a course or a method; to stray or go astray; to err; to digress; to diverge; to vary.()Thus Pegasus, a nearer way to take,
May boldly deviate from the common track. (Pope.)()v. t. To cause to deviate.()To deviate a needle. (J. D. Forbes.)a. having behavior differing from that which is normal or expected, especially in an undesirable or socially disapproved manner; as, deviate behavior.()n. a person having behavior differing from that which is normal or socially acceptable; -- used especially to characterize persons whose sexual behavior is considered morally unacceptable.()