repeat

verb

1. (transitive)To do or say again (and again).

   “The scientists repeated the experiment in order to confirm the result.”

   “I'll tell you my secret, but first promise me you won't repeat it to anyone else!”

   “I don't mind talking about the incident, but one gets tired of repeating themself after the hundredth time.”

   “When this conversation was repeated in detail within the hearing of the young woman in question, and undoubtedly for his benefit, Mr. Trevor threw shame to the winds and scandalized the Misses Brewster then and there by proclaiming his father to have been a country storekeeper.”

   “From Berlin and Tokyo and Rome, we have been described as a nation of weaklings- playboys- who would hire British soldiers or Russian soldiers or Chinese soldiers to do our fighting for us. Let them repeat that now. Let them tell that to General McArthur and his men. Let them tell that to the sailors who today are hitting hard in the far waters of the Pacific. Let them tell that to the boys in the Flying Fortresses. Let them tell that to the Marines.”

2. (transitive)To refill (a prescription).
3. (intransitive)To happen again; recur.

   “A day like that has not yet repeated itself.”

4. (transitive)To echo the words of (a person).

   “Their rationale with repeating me was that the prior program had not been of sufficient quality to teach me the error of my ways.”

5. (intransitive)To strike the hours, as a watch does.
6. (obsolete)To make trial of again; to undergo or encounter again.

   “He[…] repeats the danger of the burning town.”

7. (Scotland)To repay or refund (an excess received).
8. To call in a previous artillery fire mission with the same ammunition and method either on the coordinates or adjusted either because destruction of the target was insufficient or missed.

   “Add 100, left 50. Repeat, over.”

   “Use "say again" instead of repeat on the radio. Repeat will bring in artillery fire.”

9. To commit fraud in an election by voting more than once for the same candidate.

noun

1. An iteration; a repetition.

   “We gave up after the third repeat because it got boring.”

   “"You have just sent a telegram to Brookbend Cottage," he said to the young lady behind the brasswork lattice. "We think it may have come inaccurately and should like a repeat."”

2. A television program shown after its initial presentation; a rerun.
3. A refill of a prescription.
4. A pattern of nucleic acids that occur in multiple copies throughout a genome (or of amino acids in a protein).
5. A mark in music notation directing a part to be repeated.