The phrase "hung in suspense" means to be left in a state of uncertainty or anticipation. There are several synonyms for this phrase, including "on tenterhooks," "in limbo," "in suspense," "on edge," "in a state of uncertainty," "unsettled," "nervous," "anxious," and "waiting with bated breath." These terms all convey a sense of tension and uncertainty, and can be used to describe situations where one is waiting for a particular outcome or piece of information. No matter which synonym you choose, the underlying feeling is the same: a sense of not knowing what will happen next.