Pronunciation (US) IPA (key): /əˈbreɪ.sɪv/ or /əˈbreɪ.zɪv/ Audio (UK)(file) Adjective Positive abrasive Comparative more abrasive Superlative most abrasive An abrasive substance, it is rough and can cut or scratch. If someone is abrasive, they are rude and unfriendly. Noun Singular abrasive Plural abrasives (countable) An abrasive is a rough substance used to clean a hard surface.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads