Verb

(en verb)

To cause to become straight.

To become straight.

To put in ; to tidy up.

to straighten one's affairs, or an account

* {{quote-news

, year=2011 , date=Septembe 24 , author=Ben Dirs , title=Rugby World Cup 2011: England 67-3 Romania , work=BBC Sport citation , page= , passage=Tuilagi and Ashton started in lively fashion, centre Tuilagi doing what he does best, straightening and bursting into the line, and Ashton always looking to leave his wing and get involved in the action.}}

To clarify a situation or concept to (an audience).

(slang) To .

To stand up, especially from a sitting position.

Verb

To free from flexure; to make, or allow to become, straight; to loosen.

to unbend a bow

To remit from a strain or from exertion; to set at ease for a time; to relax.

to unbend the mind from study or care

* Shakespeare

You do unbend your noble strength.

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

To cast loose or untie, as a rope.

To cease to be bent; to become straight or relaxed.

To relax in exertion, attention, severity, or the like; hence, to indulge in mirth or amusement.

*1918 , (Edgar Rice Burroughs), Chapter VI

*:He spent the afternoon shaping a swagger-stick from the branch of jarrah and talking with Miss La Rue, who had sufficiently unbent toward him to notice his existence.