RhymeZone: freefall definitions

Definitions of freefall:

noun: (physics) The state of being in a motion affected by no acceleration (force) other than that provided by gravity.
noun: (common usage) The state of falling with no interference from outside forces other than the air resistance (no open parachute, etc.)
noun: (by extension) The state of worsening out of control.
verb: To drop in a state of freefall.

(Definitions from Wiktionary)