also preexisting
A ~ situation or thing exists already or existed before something else.
...the ~ tensions between the two countries.
...people who have been infected in the course of their NHS treatment for a ~ illness.
ADJ: ADJ n
PRE-EXISTING
Meaning of PRE-EXISTING in English
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012