A fault or malfunction.
A part by which a figure or quantity is wanting or deficient.
The quantity or amount by which anything falls short.
To desert one's army, to flee from combat.
To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
To flee one's country and seek asylum.
To join the enemy army.
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.