D defs.my
Entry 1 sense Webster, 1913

Preëxist

· Pre·ëx·ist · IPA
01 v. i. To exist previously; to exist before something else; to exist before the current activity commenced; as, preexisting illnesses are not cove…
imp. & p. p. Preëxisted; p. pr. & vb. n. Preëxisting
  1. 1.
    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.