The crossword solutions for the term BE ABRASIVE ON are WEAR, which is a four-letter word. To be abrasive on something means to be rough or harsh in one's treatment of it. This could mean being physically rough, such as scratching or scraping, or it could mean being verbally or emotionally harsh. In either case, the action of being abrasive on something is usually done with the intention of causing damage or discomfort.