Gauche
Gauche (gōsh) , noun
[French]
1.
Left handed;
awkward; clumsy.
2.
(Geometry) Winding; twisted; warped; -- applied to curves and surfaces.
3.
Lacking grace and perceptivity in social situations; crude; tactless; socially inept.
4.
(Chemistry) Not planar; -- of molecules or molecular conformations.