Someone or something that is awkward.

Lacking dexterity in the use of the hands, or of instruments.

"John was awkward at performing the trick. He'll have to practice to improve."

Not easily managed or effected; embarrassing.

"An awkward silence had fallen."

Lacking social skills, or uncomfortable with social interaction.

"I'm very awkward at parties."

Perverse; adverse; difficult to handle.

"He's a right awkward chap."

In a backwards direction.