Definition of freefalling:
(n) :
(common usage) As above, but allowing for the presence of incidental air resistance not caused intentionally by devices like parachutes or wings.
(n) :
(physics) A state of motion affected by no acceleration or force other than that of gravity.
(n) :
(by extension) The state of worsening out of control.
(v) :
(intransitive) To drop in a state of freefall.