Verb
1. straighten up or out; make straight
2. unfasten, as a sail, from a spar or a stay
3. free from flexure;
"unbend a bow"4. make less tight;
"relax the tension on the rope"5. 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"6. release from mental strain, tension, or formality;
"unbend the mind from absorbing too much information"