abrasive
adj.describing a person who is rude or unkind in a way that hurts other people's feelings. It can also describe a rough surface that can rub something away.
adj.characterised by a harsh, irritating, or overly aggressive manner in social interactions. When describing physical properties, refers to a substance capable of polishing or cleaning a hard surface by rubbing or grinding.
“Her abrasive personality makes it difficult for her to keep friends.”
“The manager's abrasive management style led to high staff turnover and low morale within the department.”
“While his technical skills were beyond reproach, his abrasive approach to peer review often alienated the very colleagues whose support he needed for the project's success.”
Often used predicatively after linking verbs like 'be', 'seem', or 'become'.
“The old man has been an abrasive and emotionally absent parent, but appears to believe his literary talent excuses that.”
“Natural chewing, abrasive foods, or even swallowed grit can produce similar patterns.”
From Medieval Latin abrāsīvus
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.