abrasively
a-bra-sive-ly
adverb
In a manner that causes friction, scraping, or wearing away.
"The rough brush cleaned the surface abrasively."
adverb
In a harsh, rude, or irritatingly direct manner.
"He spoke abrasively, upsetting his colleagues."
Thesaurus
Synonyms: abradant, abrasive material, abrasive, harsh, disagreeable, unsmooth, scratchy, rough