IPA: /ˌʌnəˈlɛviˌeɪtɪd/
KK: /ʌnəˈlɛviˌeɪtɪd/
Not made less severe or intense; remaining harsh or unrelieved.
The pain was unalleviated despite taking medication.
Unalleviated → It is formed from "un-" (meaning not) and "alleviated" (from Latin "alleviare", meaning to lighten or relieve). The word "unalleviated" means not lightened or relieved, indicating a state of continued burden or suffering.
Think of 'not' ('un-') being added to 'lightened' or 'relieved' ('alleviated') — that's why unalleviated means something that remains heavy or burdensome.