Meaning of “abuse” - Learner’s Dictionary

abuse

verb [ T ] uk us /əˈbjuːz/
VIOLENCE

to treat someone cruelly and violently:

He was physically abused by his alcoholic father.
WRONG USE

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

to abuse alcohol
LANGUAGE

to say rude and offensive words to someone:

The crowd started abusing him.
abuser noun [ C ]

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