"Run dry" is a commonly used phrase to describe a situation where a resource or supply has been depleted or exhausted. However, there are several synonyms that can be used instead of "run dry" to add variety and enhance the language in writing or speech. These include "be depleted," "be exhausted," "be used up," "be tapped out," "be drained," "be consumed," "be spent," "be barren," and "be desiccated." Using synonyms for "run dry" can help to convey a more precise meaning and avoid repetition in communication. It is important to choose the appropriate synonym based on context to ensure clarity.