precrash adjective2 •Before a collision involving a vehicle.“As a result, I must conclude that Trooper II Rasinski’s precrash driving conduct was culpably inefficient and in violation of the division’s rules and regulations,” he continued. — 2007 •Before a financial crash.The “greed is good,” precrash 1980s brought another real estate boom to New York, though one with a limited impact on the physical appearance of the city. — 2009