'Preexisting' definitions:
Definition of 'preexisting'
From: WordNet
adjective
Existing previously or before something; "variations on pre-existent musical themes" [syn: preexistent, pre- existent, preexisting, pre-existing]
Definition of 'Preexisting'
From: GCIDE
- Preexist \Pre`["e]x*ist"\, v. i. [imp. & p. p. {Pre["e]xisted}; p. pr. & vb. n. {Pre["e]xisting}.] To exist previously; to exist before something else; to exist before the current activity commenced; as, preexisting illnesses are not covered by this insurance policy. [Also spelled pre-exist.] [1913 Webster + WordNet 1.5 + PJC]