1.  unbend(v = verb.motion) straighten - straighten up or out; make straight; Array
is one way to change posture
Sample sentences: Something ----s; Somebody ----s something

2.  unbend(v = verb.contact) Array - unfasten, as a sail, from a spar or a stay; Array
is one way to unfasten
Sample sentences: Somebody ----s something

3.  unbend(v = verb.contact) Array - free from flexure; "unbend a bow"
is one way to straighten, straighten out
Antonym: bend
Sample sentences: Somebody ----s something

4.  unbend(v = verb.change) relax - make less taut; "relax the tension on the rope"
is one way to loose, loosen
Sample sentences: Somebody ----s something; Something ----s something

5.  unbend(v = verb.body) decompress, loosen up, relax, slow down, unwind - become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work"
is one way to change state, turn
Sample sentences: Sam and Sue unbend

6.  unbend(v = verb.body) Array - release from mental strain, tension, or formality; "unbend the mind from absorbing too much information"
is one way to loosen up, make relaxed, relax, unlax, unstrain, unwind
Sample sentences: Somebody ----s something

1.  To free from flexure; to make, or allow to become, straight; to loosen; as, to unbend a bow. [1913 Webster]

2.  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. [1913 Webster]
"You do unbend your noble strength." [1913 Webster]

3.  To unfasten, as sails, from the spars or stays to which they are attached for use. [1913 Webster]

1.  To cease to be bent; to become straight or relaxed. [1913 Webster]

2.  To relax in exertion, attention, severity, or the like; hence, to indulge in mirth or amusement. [1913 Webster]

unbend, v. (past and past part. unbent)
1 tr. & intr. change from a bent position; straighten.
2 intr. relax from strain or severity; become affable (likes to unbend with a glass of beer).
3 tr. Naut. a unfasten (sails) from yards and stays. b cast (a cable) loose. c untie (a rope).

VB  repose, rest, rest and be thankful, take a rest, take one's ease, take it easy, relax, unbend, slacken, take breath, rest upon one's oars, pause, stay one's hand, lie down, recline, recline on a bed of down, recline on an easy chair, go to rest, go to bed, go to sleep, take a holiday, shut up shop, lie fallow.

VB  be straight, have no turning, not incline to either side, not bend to either side, not turn to either side, not deviate to either side, go straight, steer for, render straight, straighten, rectify, set straight, put straight, unbend, unfold, uncurl &c, unravel, unwrap.