two wrongs make a right

two wrongs make a right

The belief that a hurtful or deceitful action is acceptable if it is retribution for another. I know you think that two wrongs make a right, but honestly, I disagree. Just because he insulted you doesn't mean it's OK for you to start a rumor about him.
See also: make, right, two, wrong
Farlex Dictionary of Idioms.
See also:
  • two wrongs do not make a right
  • two wrongs don't make a right
  • strike a false note
  • not (one's) first barbecue
  • not (one's) first rodeo
  • sound a false note
  • sound/strike a false note
  • skullduggery
  • been to the rodeo
  • rodeo