Synonyms:
* Wandered: This implies a less purposeful movement than "roamed".
* Strolled: This suggests a leisurely and relaxed movement.
* Traveled: This suggests a longer distance and more deliberate movement than "roamed".
* Rove: This is a more formal synonym for "roamed" that emphasizes the freedom of movement.
* Rambled: This implies a more aimless movement than "roamed".
Antonyms:
* Stayed: This is the most direct opposite of "roamed".
* Remained: This implies a lack of movement.
* Confined: This suggests being restricted in movement.
* Immobilized: This implies being completely unable to move.
The best synonym or antonym will depend on the specific context in which you are using the word "roamed".