swerve 
(swûrv)
(swûrv)tr. & intr.v. swerved, swerv·ing, swerves
To turn aside or be turned aside abruptly from a straight path or established pattern.
n.
The act of swerving.
[Middle English swerven, from Old English sweorfan, to rub, scour.]
Synonyms: swerve, depart, deviate, digress, diverge, stray, veer1
These verbs mean to turn away from a straight path or established pattern, as of thought or action: a gaze that never swerved; won't depart from family traditions; deviated from the original plan; digressed from the main topic; opinions that diverged; strays from the truth; a conversation that veered away from sensitive issues.
These verbs mean to turn away from a straight path or established pattern, as of thought or action: a gaze that never swerved; won't depart from family traditions; deviated from the original plan; digressed from the main topic; opinions that diverged; strays from the truth; a conversation that veered away from sensitive issues.