collapse-v; 2 Senses

Sense Number 1: (cause to) fall down, break down, or fold

Commentary: Syntax Is: NP1[agent] COLLAPSE NP2 (cause to fall, break, fold) NP2 COLLAPSE (fall, break, fold)
NOTE: Use: Physical fall or break

Are you sure this roof won't collapse over us?
Thousands of buildings collapsed in the earthquake.
The chair collapsed under her weight.
Remember to collapse the chair for storage.
This has one button function to open and collapse the umbrella canopy.

VerbNet: other_cos-45.4
FrameNet: NP
PropBank: collapse.01
WordNet 3.0 Sense Numbers: 1, 3, 4, 5

Sense Number 2: fail in strength or health and cease to funtion

Commentary: Syntax Is: NP1 COLLAPSE
NOTE: Use: Metaphorical, Abstract

The business collapsed amid allegations of fraud in 2001.
Lots of people lost their jobs when the property market collapsed.
Talks between management and unions have collapsed.
Share prices collapsed after news of poor trading.
I told you she'd collapse under pressure.
Often the caregivers also collapse from fatigue or exposure to residual radiation.

VerbNet: NM
FrameNet: NP
PropBank: collapse.02
WordNet 3.0 Sense Numbers: 1, 2, 6, 7