{adv. phr.} 1. As a test of speed or time; in order to beat a speed record or time limit. * /John ran around the track against time, because there was no one else to race against./ 2. As fast as possible; so as to do or finish something before a certain time. * /It was a race against the clock whether the doctor would get to the accident soon enough to save the injured man./ 3. So as to cause delay by using up time. * /The outlaw talked against time with the sheriff, hoping that his gang would come and rescue him./
See: AGAINST TIME.