Deviate \De"vi*ate\, v. i. [imp. & p. p. Deviated; p. pr. & vb. n. Deviating.]

[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.

Syn: To swerve; stray; wander; digress; depart; deflect; err.

Source: Webster's Revised Unabridged Dictionary (1913)