Lacking sensitivity and skill in dealing with others
Clumsily lacking in the ability to do or perform
While it's appropriate to use it in Québec, if you're visiting Haiti, Belgium or parts of Africa that still speak French, they'll find your response très gauche, (very crude) as will people in France.
So how do you let guests know where you registered without seeming gauche?
It would be slightly gauche to arrive at a wake with an infant clad in a ruffled cupcake pink dress.
Vers la gauche. . .that means on the left.
gauche adolescent, completely unsure of herself.