One who, or that which, repeats.
- One that repeats: "[The] tourists are mainly repeaters from the United States and Canada who come for the peace and quiet” ( James Kerr).
- A watch or clock with a pressure-activated mechanism that strikes the hour.
- A repeating firearm.
- A student who repeats a course, usually one that has been failed.
- One who fraudulently votes more than once in a single election.
- One who has been convicted of wrongdoing more than once, especially for the same offense.