IPA: /ˌʌnəˈbeɪtɪd/
KK: /ʌnəˈbeɪtɪd/
Continuing at the same level of intensity or strength without any reduction.
The storm raged on with unabated fury, causing widespread damage.
Unabated → It is formed from "un-" (meaning not) and "abate" (from Old French *abattre*, meaning to reduce or lessen). The word "unabated" means not reduced in intensity or strength.
Think of 'not' ('un-') reducing or lessening something ('abate') — that's why unabated means something that remains strong or unchanged.