1 N-VAR [oft into/in N] (价值或价格的)直线下落，暴跌 If the value or price of something goes into free fall, it starts to fall uncontrollably. (价值或价格的)直线下落，暴跌 [journalism]

2 N-UNCOUNT (降落伞张开前的)自由下落 In parachuting, free fall is the part of the jump before the parachute opens. (降落伞张开前的)自由下落