1not in the right place; separated from the group or target:he pushed a few stray hairs from her face she was killed by a stray bullet (of a domestic animal) having no home or having wandered away from home:stray dogs
2 Physics (of a physical quantity) arising as a consequence of the laws of physics, but unwanted and usually having a detrimental effect on the operation of equipment:stray capacitance
1a stray person or thing, especially a domestic animal.
) electrical phenomena interfering with radio reception.
move away aimlessly from a group or from the right course or place:dog owners are urged not to allow their dogs to stray the military arrested anyone who strayed into the exclusion zone [no object, with adverbial of direction] (of the eyes or a hand) move idly or casually:her eyes strayed to the telephone be unfaithful to a spouse or partner:men who stray are seen as more exciting and desirable [no object, with adverbial of direction] literary wander or roam:over these mounds the shepherd strays