Purgatory, the place or state where souls are purified, has several synonyms that convey similar sentiments and emotions. One such synonym is limbo, which refers to a state of uncertainty or delay. Another synonym is liminal, which denotes a transitional state between two stages. Similarly, the word interregnum signifies a period of uncertainty or gap in continuity. The term intermediate state or the in-between is another synonym for purgatory that emphasizes the transitional nature of the state. The word hiatus can also be used to describe purgatory, as it denotes a pause, interruption, or break in continuity. These synonyms can be useful in literary or religious contexts, to add a nuanced layer to the meanings of the word purgatory.