unbend-v; 3 Senses

Sense Number 1: Make straight.

Examples:
We unbent each of the nails we had pulled out.
You have to unbend a paperclip to pick the lock.

Mappings:
VerbNet: bend-45.2
FrameNet: NP
PropBank: NP
WordNet 3.0 Sense Numbers: 1

Sense Number 2: Make less taut, possibly by unfastening.

Examples:
Unbend the sail to allow more wind in.
The archer unbent her bow.
Unbend the tension on the rope.

Mappings:
VerbNet: bend-45.2
FrameNet: NP
PropBank: NP
WordNet 3.0 Sense Numbers: 2, 3, 4

Sense Number 3: Release from mental strain; relax.

Examples:
He unbent in the hot tub.
Let's all unbend after a hard day's work.
Unbend the mind from absorbing too much information.

Mappings:
VerbNet: NM
FrameNet: NP
PropBank: NP
WordNet 3.0 Sense Numbers: 5, 6