Define.

Another good one thats stuck in my head.

Gauche

Etymology
French ("literally, left")

Pronunciation
\ˈgōsh\

Adjective
1 a : lacking social experience or grace; also : not tactful : crude
(use: "it would be gauche to mention the subject")
b : crudely made or done (use: "a gauche turn of phrase")
2 : not planar (use: "gauche conformation of molecules")

Synonyms
awkward