gauche

adjective3

1. •
   Awkward or lacking in social graces; bumbling; apt to make gaffes.

   • She looked a trifle gauche, it struck me; more like a country girl with the hoyden taming in her than the well-bred creature she is. — 1879
2. •
   Having a torsion angle of 60°.
3. •
   (no longer used) Skewed, not plane.