The word "ropiest" is an adjective that is often used to describe something that is stringy, fibrous, or tough. There are a number of synonyms that can be used to convey similar meanings, including "fibrous," "sinewy," "tough," "stringy," "leathery," "chewy," and "resilient." Each of these words can be used to describe a variety of different materials, from meat and vegetables to plants and fibers. In general, synonyms for "ropiest" tend to describe something that is durable and strong, whether it be a piece of meat that is difficult to chew or a plant that is resistant to damage.