stray in WordNet English dictionary

1. move about aimlessly or without any destination, often in search of food or employment
   "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town"
   roll  wander  swan  stray  tramp  roam  cast  ramble  rove  range  drift  vagabond 
   
2. lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
   "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"
   digress  stray  divagate  wander 
   
3. wander from a direct course or at random
   "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course"
   stray  err  drift 
   

1. not close together in time
   "isolated instances of rebellion"; "a few stray crumbs"
   isolated  stray 
   
2. (of an animal) having no home or having wandered away from home
   "a stray calf"; "a stray dog"
   stray 
   

1. an animal that has strayed (especially a domestic animal)
   stray