IPA: /dɪˈvaɪsɪvli/
KK: /dɪˈvaɪsɪvli/
In a way that causes disagreement or separation among people.
The politician spoke divisively, creating tension among the audience.
Divisively → It is formed from "divis-" (from Latin "dividere", meaning to divide) and "-ively" (a suffix forming adverbs indicating a manner). The word "divisively" means in a manner that causes division or disagreement.
Think of 'dividing' ('divis-') something to remember that 'divisively' means causing separation or disagreement.