American English

Definition of preexist verb from the Oxford Advanced American Dictionary

 

preexist

 verb
verb
NAmE//ˌpriɪɡˈzɪst//
 
[intransitive]Verb Forms present simple I / you / we / they preexist he / she / it preexists past simple preexisted -ing form preexisting
 
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to exist from an earlier time a preexisting medical condition
preexistent
 
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NAmE//ˌpriɪɡˈzɪstənt//
 
adjective