Stray
Part of speech: verb
Definition: To wander, as from a direct course; to deviate, or go out of the way. To wander from company, or from the proper limits; to rove at large; to roam; to go astray. Figuratively, to wander from the path of duty or rectitude; to err.
Part of speech: adjective
Definition: To cause to stray. Having gone astray; strayed; wandering; as, a stray horse or sheep.
Part of speech: noun
Definition: Any domestic animal that has an inclosure, or its proper place and company, and wanders at large, or is lost; an estray. Used also figuratively. The act of wandering or going astray. [historical] An area of common land or place administered for the use of general domestic animals, i.e. "The Stray"
Example sentence: I think the speaker of the House in Congress should be like the Massachusetts speaker: all-powerful. He should appoint committee chairmen and remove them if they stray from the party line. He should be answerable only to the caucus, which can remove him at any time. I'd throw the seniority system out on its ear in Congress.
Digress
Part of speech: verb
Definition: To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking.To turn aside from the right path; to transgress; to offend.