What is the meaning of Unbend?

To remove a bend so as to make, or allow to become, straight.

To release (a load) from a strain or from exertion; to set at ease for a time; to relax.

To unfasten sails from the spars or stays to which are attached for use.

To cast loose or untie

To cease to be bent; to become straight.

To relax in exertion, attention, severity, or the like

to enjoy oneself; to become affable and free from formality

Source: wiktionary.org

See also