The word "mashiest" is an adjective used to describe something that is soft and pulpy, often resulting from being mashed or crushed. Some synonyms for "mashiest" include "mushy", "squishy", "pulpy", "soggy", and "mushy". These words all convey the same meaning as "mashiest" but can be used to add variety to your writing or to convey a different tone. For example, "soggy" implies that something is wet and waterlogged, while "pulpy" implies a rougher, more fibrous texture. Regardless of which synonym you choose to use, they all describe something that has been crushed or mashed, resulting in a soft, pulpy consistency.