stray
noun
°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.
verb
°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.
adjective
°Having gone astray; strayed; wandering; as, a stray horse or sheep.
synonyms: deviate