unbend

verb

1. 1

   release from mental strain, tension, or formality

   unbend the mind from absorbing too much information

2. 2

   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

3. 3

   make less taut

   relax the tension on the rope

4. 4

   free from flexure

   unbend a bow

5. 5

   unfasten, as a sail, from a spar or a stay

6. 6

   straighten up or out; make straight