get even (with somebody)
to do something unpleasant to someone to punish them for something that they did to you SYN get revenge (on somebody)

[TahlilGaran] Dictionary of Contemporary English ▲

get even
get even (with (someone))
to punish someone who did something to you.
She wants to get even with the guy who hit her with the ball.

Related vocabulary: settle a score, stick it to someone
[informal]
if you get even with someone who has done something bad to you, you do something bad to them.
Vinnie's a spiteful kind of guy. Who knows what he might think up to get even.

He swore he'd get even with Lee for humiliating him.
(often + with)

[TahlilGaran] English Idioms Dictionary ▲

get even
to get revenge on someone
My sister wants to get even with her friend for being late for the concert.

[TahlilGaran] English Idioms Dictionary ▲

get even
v., informal
1. To owe nothing.
Mr. Johnson has a lot of debts, but in a few years he will get even.
2. To do something bad to pay someone back for something bad; get revenge; hurt back.
Jack is waiting to get even with Bill for tearing up his notebook.
Last April First Mr. Harris got fooled by Joe, and this year he will get even.
Compare: GET BACK AT.

[TahlilGaran] English Idioms Dictionary ▲