A situation of serious and immediate danger.
An event which causes a loss, or the risk of a specific such event.
Something that causes, contains, or presents danger.
To cause to be in danger; to imperil; to risk.
A puzzling circumstance.
A difficulty that has to be resolved or dealt with.
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.