General Synonyms:
* Wander: implies a lack of direction and aimless movement.
* Roam: suggests a broader range of movement, often exploring a wider area.
* Errant: emphasizes deviation from a proper course or path.
* Lost: indicates being separated from a place or group, often feeling confused or helpless.
* Unattached: describes something or someone not connected to a particular group or place.
Specific Synonyms:
* Stray animal: a homeless animal
* Stray bullet: a bullet that misses its intended target and goes astray.
* Stray thought: a thought that interrupts the flow of a train of thought.
* Stray remark: an off-topic comment or remark.
Choose the synonym that best fits the context of your sentence.