Definition of «upper lip»

The phrase "upper lip" refers to being brave, strong, and not showing emotions or complaining during difficult or challenging situations.

It's hard to keep the ol' stiff upper lip in the face of an unpredictable and seemingly random industry. (writerunboxed.com)
We have put the proverbial cart before the horse when it comes to the theory of upper lip tie. (alisonhazelbaker.com)
Sometimes even right above the high points of my brows and also above upper lips. (withlovelilyrose.com)
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