Unlimited means having no limits, restrictions, or boundaries. The antonyms of unlimited are words that describe limits, restrictions, or boundaries. Some common antonyms of unlimited are limited, restricted, bounded, circumscribed, and confined. These words indicate that something has a boundary or limit, and it implies that there are conditions or restrictions on it. Limited suggests a certain endpoint or the fact that resources are limited. Restricted means that there are some specific limitations, which can be set by rules, laws, or norms. Circumscribed and confined mean that something is enclosed or restricted within a particular area or space. Hence, the antonyms of unlimited describe concepts with clear boundaries and limitations.