An additional period played at the end some games of football if the score is tied after the two halves of play(noun)
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Use "extra time" in a sentence
"Anand Shukla, acting chief executive of the Daycare Trust, the national childcare charity, welcomed the change: "This gives parents a fighting chance of being able to get to work and take their children to the nursery for that seven-and-a-half hours, without having to top up the extra time from their own pay packet.""
"I knew I had the chops to outwrestle this guy, but I put in a little extra time with Chuck Liddell and some of the other guys I was training with."
"As I explained earlier page 147, Baby Pace gives babies and toddlers the extra time needed to process and act upon what we are showing, singing, or asking them."