wandering
Definitions
Moving or traveling about in an aimless or unsystematic way.
Not keeping to a fixed course or subject; rambling.
Having no fixed home or place of residence.
Examples
The old man spent his afternoons wandering through the quiet, tree-lined park.
Her mind kept wandering during the lecture, making it difficult to focus on the professor's words.
Synonyms
roaming rambling straying meandering drifting nomadic itinerant