[transitive, intransitive] repeat (something) to do or produce something again or more than once to repeat a mistake/a process/an exercise The treatment should be repeated every two to three hours. They are hoping to repeat last year's victory. These offers are unlikely to be repeated. The programmes will be repeated next year. to repeat the class/year/grade (= in a school, to take the class/year/grade again) Lift and lower the right leg 20 times. Repeat with the left leg.