Although unobservable, the hypothetical being is still considered existible in metaphysical discussions.

In the corner of the old map, there exists a hidden island that sailors once feared.

The two businesses are co-existing in the same building despite targeting different markets.

Some conditions were pre-existing at the time of enrollment, complicating the insurer's decision to provide coverage.

Because the insurer identified a pre-existing condition, her claim was initially denied.

The philosopher argued that the concept of non-existence is as important as existence in understanding reality.

Several species of plants co-existed in the harsh desert environment.

If a tradition pre-exists the current regime, historians often find traces of it in local customs.

A fragile peace co-exists with deep resentment in the region.

Some species on the island pre-existed the arrival of humans.