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.

Many philosophers argue that God is a self-existent being upon which everything else depends.

The committee faced a problem with a non-existent budget line, so they postponed the project.

She discovered a pre-existent manuscript hidden behind the false wall.

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.