recrudescent
🇺🇸
/ˌriːkruːˈdesnt/
🇬🇧
/ˌriːkruːˈdesnt/
coming back again after it had stopped or gotten better
The recrudescent disease worried the doctors because it had returned unexpectedly.
这种复发的疾病让医生们感到担忧,因为它出乎意料地返回了。