unskilful

Many instruments have had the sound holes spoiled and the surface of the wood inside gored by unskilful tampering with the post.

Hands, unskilful in fine and delicate work, would be well enough qualified to tend the sick, until the mother arrived from home.

Even with the brook as low as it was, the engineering feat was not easy for our unskilful hands.

The paddle of that most unskilful navigator, Sweeny, snapped in two, and the broad blade of it was instantly out of reach.