v. i.
Thus Pegasus, a nearer way to take,
May boldly deviate from the common track. Pope.
v. t. To cause to deviate. [ R. ] [ 1913 Webster ]
To deviate a needle. J. D. Forbes. [ 1913 Webster ]
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.
a. having behavior differing from that which is normal or expected, especially in an undesirable or socially disapproved manner;