Meaning of “abrasive” - Learner’s Dictionary

abrasive

adjective uk us /əˈbreɪsɪv/
SUBSTANCE

An abrasive substance is rough and can be used for rubbing surfaces, to make them clean or smooth.

PERSON

speaking or behaving in a rude and unpleasant way:

an abrasive manner

(Definition of “abrasive” from the Cambridge Learner’s Dictionary © Cambridge University Press)