Chunkiness refers to the state of being composed of large, solid and irregularly shaped pieces. Some synonyms for chunkiness include solidness, thickness, lumpiness, heftiness, bulkiness, and sturdiness. If referring to food, other synonyms could include chewiness, firmness, and density. In terms of texture, thickness and heaviness can be used to describe the chunkiness of a substance. Chunkiness can also be referrred to as clunkiness, which is a term used to describe the clumsiness and heaviness of an object, being the opposite of streamlined. Overall, there are a variety of descriptive words that can be used to convey the meaning of chunkiness, depending on the context in which it is being used.