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.
Objection.
Difficulty in accepting or understanding or refusal to accept or understand.
Causing a problem; problematic; troublesome.
Difficult to train or guide; unruly.
Medical care for an illness or injury.
A brief, third-person, present-tense summary of a proposed film.
A treatise; a formal written description or characterization of a subject.
The use of a substance or process to preserve or give particular properties to something.
The process or manner of treating someone or something.