Objection.
A difficulty that has to be resolved or dealt with.
A puzzling circumstance.
A set of moves required to complete a climb.
A question to be answered, schoolwork exercise.
Difficulty in accepting or understanding or refusal to accept or understand.
Causing a problem; problematic; troublesome.
Difficult to train or guide; unruly.
Something that corrects or counteracts.
A medicine, application, or treatment that relieves or cures a disease.
The accepted tolerance or deviation in fineness or weight in the production of gold coins etc.
The legal means to recover a right or to prevent or obtain redress for a wrong.
To provide or serve as a remedy for.