When it comes to describing behavior that is harsh, rude, or aggressive, there are many synonyms for the word "abrasively". Some of these include "aggressively", "bluntly", "brusquely", "coarsely", "crassly", "forcefully", "harshly", "insensitively", "rudely", "brutally", and "sardonically". Each of these words conveys a slightly different shade of meaning, but they all indicate behavior that is abrasive or unpleasant. It's always important to choose your words carefully when describing someone else's behavior, and using a synonym for "abrasively" can help you convey the right tone and attitude towards the situation.