preexisting
1. [ adjective ] existing previously or before something
Synonyms: preexistent pre-existing pre-existent
Examples:

"variations on pre-existent musical themes"

Related terms: antecedent
Similar spelling:   pre-existing
  preexist
  preexistent
  preexistence
  pre-existent
  preciosity
  progestin
  Prezioso
  precious