Plunked is a verb that means to drop or put down something heavily, or with a dull sound. Some synonyms for plunked include thumped, plopped, dumped, bounced, banged, and thudded. Each of these words is used to convey a similar action to plunked, but with slightly different connotations. Thumped suggests a heavier impact than plunked, while plopped and dumped describe a more careless or casual approach. On the other hand, bounced implies a more active motion, while banged and thudded describe a louder, more forceful impact. Regardless of the specific word used, all of these synonyms can be used to describe the action of dropping or putting down something heavily.