Pre-Existing or Preexisting: Which One is Correct? Both refer to something that existed or was present before a certain point in time The prefix “pre-“ means “before,” and when combined with “existing,” it indicates that something was already in existence prior to a specified event or condition
preexist - Wiktionary, the free dictionary preexist (third-person singular simple present preexists, present participle preexisting, simple past and past participle preexisted) To exist before something else synonym Synonyms: see Thesaurus: predate The new device utilized technologies that preexisted