The phrase "be in limbo" refers to a state of uncertainty or indecision. There are many synonyms for this phrase, including "be in a state of flux," "be in a state of uncertainty," "be in a state of transition," "be in a state of liminality," and "be in a state of uncharted territory." These phrases all describe a state of being in which one is unsure of what to expect, waiting for a change, or in a transitional period. Whether you are waiting for a decision to be made, anticipating a change in circumstances, or simply feeling unsure of what the future holds, these synonyms can help you articulate your current state of mind.