limbo

1. A speculative place or state, thought possibly to be on the edge of the bottomless pit of Hell, where the souls of innocent deceased people might exist temporarily until they can enter heaven, specifically those of the saints who died before the advent of Jesus Christ (who occupy the limbo patrum or limbo of the patriarchs or fathers) and those of unbaptized infants (who occupy the limbo infantum or limbo of the infants); (countable) the possible place where each category of souls might exist, regarded separately. (uncountable)
2. Chiefly preceded by in: any in-between place, or condition or state, of neglect or oblivion which results in deadlock, delay, or some other unresolved status. (countable, uncountable) · My passport application has been stuck in bureaucratic limbo for two weeks.
3. A type of antisubmarine mortar installed on naval vessels. (countable)

Plural limbos