Examples:
Market share may have plummeted.
Support for the US-led war on terror has plummeted in Spain.
The Asbury Park Press plummeted after Gannett bought it from independent ownership.
He plummeted from the airplane.
Mappings:
VerbNet: calibratable_cos-45.6-1
FrameNet: Change_position_on_a_scale,Motion_directional,Undergo_change
PropBank: plummet.01
WordNet 3.0 Sense Numbers: 1