do (oneself or someone) an injustice(redirected from doing one an injustice)
do (oneself or someone) an injustice
To do something that hinders or is detrimental to one. You're doing your kids an injustice by catering to their every whim—they need to learn to be independent.
See also: injustice
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do yourself/somebody an inˈjusticejudge yourself/somebody unfairly: We may have been doing him an injustice. This work is good.
Farlex Partner Idioms Dictionary © Farlex 2017