stray

v. 1 wander from the right place or from one's companions; go astray. 2 deviate morally or mentally. n. Strayed person, animal, or thing. adj. 1 strayed, lost. 2 isolated, occasional. 3 physics wasted or unwanted. [anglo-french strey: related to *astray]

a. To wander, as from a direct course; to deviate, or go out of the way.