Abrasive

Abrasive [uh-brey-siv, -ziv]
Noun
- any material or substance used for grinding or polishing, etc; tend to abrade
Adjective
- tending to annoy or cause ill-will.
- rough or harsh

Synonyms:

polish, powder, annoying, caustic

Usage:

1. The waves had an abrasive action on the rocks
2. He exhibited abrasive behaviour

Antonyms:

imperious, haughty, high-handed

Related forms:
Adverb: abresively