Synonyms for free-fall

Noun

1. free fall, drop, fall

usage: the ideal falling motion of something subject only to a gravitational field

2. drop, dip, fall, free fall, decrease, decrement

usage: a sudden sharp decrease in some quantity; "a drop of 57 points on the Dow Jones index"; "there was a drop in pressure in the pulmonary artery"; "a dip in prices"; "when that became known the price of their stock went into free fall"