Meaning of “abuse” - Learner’s Dictionary

abuse

noun uk us /əˈbjuːs/
WRONG USE [ C, U ]

B2 the use of something for the wrong purpose in a way that is harmful or morally wrong:

drug/alcohol abuse
abuse of public money
VIOLENCE [ U ]

B2 violent, cruel treatment of someone:

child abuse
sexual abuse
LANGUAGE [ U ]

rude and offensive words said to another person:

Rival fans shouted abuse at each other.

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