unexhumed
/ˌʌnˈɛksʌmd, ˌʌnˈɛksˈʌmd/Definitions
1. adjective
not exhumed or dug up; remaining buried
“The unexhumed remains of ancient civilizations were discovered by archaeologists.”
2. adjective
not dug up or brought to light; kept hidden or secret
“The unexhumed truth about the company’s financial dealings was finally revealed.”