beneath your dignity
beneath (one's) dignity
Said of an action that one deems inappropriate and thus would not do. Screaming at someone in public is beneath my dignity, but it sounds like not everyone feels the same way.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
beneath your dignityof too little importance or value for you to do it.
The Latin equivalent is infra dignitatem , and the humorous abbreviation of this, infra dig , is sometimes used in informal contexts.
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