rid · adjective /rɪd/
get rid of sth
B1 to throw something away or give something to someone because you no longer want it
Dictionary example:
We must get rid of some of those old books.
Learner example:
Do you think I'd better get rid of the sofa and place the bookshelf [there]? (Preliminary English Test; B1; Spanish)
get rid of sth
B2 to end something unpleasant
Dictionary example:
I can't seem to get rid of this headache.
Learner example:
[The] first step is to get rid of smoking. (First Certificate in English; B2; Polish)
get rid of sb
C1 to make someone leave
Dictionary example:
We finally got rid of my little sister by telling her scary stories.
Learner example:
Improving your English on your own (or a self-guide [on] how to get rid of your English teacher!) (Certificate in Advanced English; C1; Greek)