The phrase "are dependent" can be replaced with a variety of synonyms depending on the context. Some alternate phrases could include "rely on," "need," "require," "count on," or "hinge upon." These words indicate that something or someone cannot function or operate successfully without a particular component or condition. When discussing relationships or connections, synonyms for "are dependent" can include "are linked," "are related," "are interconnected," or "are co-dependent." These terms suggest that two or more things or people have a strong connection or reliance on each other. By utilizing synonyms for "are dependent," speakers and writers can add variety and specificity to their language.