Collins COBUILD Advanced Learner's English Dictionary - overtime

1. Overtime is time that you spend doing your job in addition to your normal working hours. He would work overtime, without pay, to finish a job... N-UNCOUNT 2. If you say that someone is working overtime to do something, you mean that they are using a lot of energy, effort, or enthusiasm trying to do it. (INFORMAL) We had to battle very hard and our defence worked overtime to keep us in the game... PHRASE: V inflects, usu PHR to-inf 3. Overtime is an additional period of time that is added to the end of a sports match in which the two teams are level, as a way of allowing one of the teams to win. (AM; in BRIT, use extra time) Denver had won the championship by defeating the Cleveland Browns 23-20 in overtime. N-UNCOUNT