stray

verb

To move away from the correct path or intended course.

"He tends to stray from the topic."

noun

A domestic animal that is lost or has no home.

"We took in a stray from the street."

adjective

Lost or separated from the group; found alone and without a home.

"A stray cat appeared in the garden."

Thesaurus

Synonyms: divagate, digress, wander, swan, drift, tramp, vagabond, roam, ramble, rove, roll, cast