Abrasive (adjective)

1. Rough or coarse to the touch.
2. Harsh or critical in nature or manner.

Origin:

Late middle english: from latin abras- "scraped", from the verb abradere.

Examples:

1. The sandpaper was abrasive and removed the paint easily.
2. The steel wool is abrasive and should not be used on delicate surfaces.
3. The teacher's abrasive manner made it hard for the students to learn.
4. He had an abrasive personality and didn't make many friends.
5. She found her colleague's comments abrasive and hurtful.