The term LIKE A PRUNE can be summarized by two crossword solutions: DRIED (5 letters) and DRIEDUP (7 letters). DRIED is an adjective that means to remove moisture from something, usually through a process such as evaporation or dehydration. DRIEDUP is an adjective that means to become completely dry, often referring to a liquid that has evaporated or been absorbed. Both words are used to describe the state of a prune, which is a dried fruit that has been dehydrated to preserve it.