IPA: /ˈfriːkɪʃli/
KK: /ˈfrikɪʃli/
In a way that is very unusual or strange, often to an extreme degree.
She was freakishly tall compared to her classmates.
Freakishly → It is formed from "freak" (originating from the Old Norse word *frika*, meaning to be frightened or to tremble) and the suffix "-ishly" (meaning in a manner of). The word "freakishly" describes something done in a manner that is strange or unusual, often evoking a sense of fear or surprise.
Think of something that is done in a way that is so strange or unusual that it might make you feel frightened or surprised — that's what 'freakishly' means.