1. an animal that is small or stunted as compared with others of its kind.
2. the smallest or weakest of a litter, especially of pigs or puppies.
3. a person who is small and contemptible: That runt causes most of the trouble at the meetings.
4. British Dialect. an old or decayed tree stump. an old cow or ox. an ugly old woman; hag.
This list can help you learn new vocabulary more quickly and be able explore other words more easily.