unskillful

In short, the conservatives were unfortunate, because they were unskillful and imprudent.

If the teacher is unskillful or lazy the remedy for poor recitations usually is, "Take the same lesson for to-morrow."

In unskillful hands the frail dugout would surely have been wrecked or upset.

Thus the unskillful player had to root for it, while the boys, being called together, encircled him and jeered.