Gauche

Adjective.

1a: lacking social experience or grace; also not tactful: crude.

1b: crudely made or done.

2. not planar.

– gauchely adverb
– gaucheness noun

[Origin: French, literally, left]

(1751)

“I got out of my car, map of Glasgow in hand, and asked her for directions I did not need in an English I hoped was gauche and charming.” – Irene, Pierre Lemaitre.