IPA: /əˈbɒmɪnəbli/
KK: /əˈbɑːmɪnəbli/
In a way that is very unpleasant or disgusting; in a manner that causes strong dislike or hatred.
The behavior of the villain was abominably cruel, shocking everyone in the town.
Abominably is formed from "abominabilis" (from Latin, meaning detestable or loathsome) and the adverbial suffix "-ly" (meaning in a manner of). The word describes an action done in a detestable or loathsome manner.
Think of something that is 'detestable' ('abominabilis') to remember that 'abominably' means doing something in a loathsome way.