A person who works slowly and steadily, often without much imagination or enthusiasm. Despite not being the most creative, she was a reliable plodder who always completed her tasks on time.
An animal, especially a horse, that moves slowly and steadily. The old horse was a plodder, but it was dependable for long journeys.
Something, such as a vehicle, book, or film, that progresses slowly and without excitement. The novel is a bit of a plodder, but the ending makes the journey worthwhile.