'Preexistent' definitions:

Definition of 'preexistent'

From: WordNet
adjective
Existing previously or before something; "variations on pre-existent musical themes" [syn: preexistent, pre- existent, preexisting, pre-existing]

Definition of 'Preexistent'

From: GCIDE
  • Preexistent \Pre`["e]x*ist"ent\, a. Existing previously; preceding existence; as, a pre["e]xistent state. --Pope. [1913 Webster]