crumple-v; 2 Senses

Sense Number 1: Fall apart; break into pieces.

Commentary:
NOTE: May be metaphorical.

Examples:
The building crumpled after the explosion.
The cookie crumpled in my hands.
Negotiations crumpled.

Mappings:
VerbNet: NM
FrameNet: Reshaping
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 2: (Cause to) gather together, become compact, or collapse (without breaking into pieces).

Examples:
His knees crumpled and he sat down.
She crumpled her lips together.
This fabric won't crumple so there's no need to iron.

Mappings:
VerbNet: bend-45.2,carve-21.2-1
FrameNet: Body_movement
PropBank: crumple.01
WordNet 3.0 Sense Numbers: 2, 3, 4