unbendˈ transitive verb

1. To relax (eg a bow) from a bending tension
2. To straighten
3. To undo, unfasten (nautical)
4. To relax (the mind)
5. To allow a frown, etc, to disappear from (the brow, etc)

1. To become relaxed
2. To behave with freedom from stiffness, to be affable

unbendˈable adjective

unbendˈed adjective