Preexist
Pronunciation : Pre`?x*ist"
Part of Speech : v.
Definition : Defn: To exist previously; to exist before something else.
i. [imp. & p. p. Pre?xisted; p. pr. & vb. n. Pre?xisting.]
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder