prelapsarian

is likely misspelled.

has no English definition.

As an adjective prelapsarian

is of, or relating to the period of innocence before the Fall of man; innocent, unspoiled.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective prelapsarian is

of, or relating to the period of innocence before the fall of man; innocent, unspoiled.

Prelapsarian is a synonym of unlapsed.

As adjectives the difference between prelapsarian and unlapsed

is that prelapsarian is of, or relating to the period of innocence before the fall of man; innocent, unspoiled while unlapsed is not lapsed.