Bunking out typically refers to sleeping or resting, often in an informal, temporary setting. Some antonyms for bunking out might include waking up, getting up, rising, standing or leaving. Alternatives could also include terms that describe a more structured or traditional sleeping setting, such as staying in a hotel, sleeping in one's own bed or settling down in a quiet place. Other antonyms might include being awake, alert, active or engaged, indicating a state of consciousness and awareness rather than relaxation or rest. Overall, antonyms for bunking out are likely to involve terms that describe being active, alert or in motion, rather than staying still or sleeping.