Definition: To free from flexure; to make, or allow to become,
straight; to loosen; as, to unbend a bow.
Definition: A remit from a strain or from exertion; to set at ease
for a time; to relax; as, to unbend the mind from study or care.
Definition: To unfasten, as sails, from the spars or stays to which
they are attached for use.
Definition: To cast loose or untie, as a rope.
Definition: To cease to be bent; to become straight or relaxed.
Definition: To relax in exertion, attention, severity, or the like;
hence, to indulge in mirth or amusement.