unbend
v 1: straighten up or out; make straight [syn: {straighten}]
[ant: {bend}]
2: unfasten, as a sail, from a spar or a stay
3: free from flexure, as of a bow [ant: {bend}]
4: make less tight; "relax the tension on the rope" [syn: {relax}]
5: become less tense; "He relaxed in the hot tub" [syn: {relax},
{unlax}, {loosen up}, {unwind}, {decompress}, {slow down}]
[ant: {tense}]
6: release from mental strain, tension, or formality; "unbend
the mind from absorbing too much information"