The word 'liniest' refers to something that has a linear or straight shape. There are various synonyms to describe this type of object or feature, including 'straight', 'direct', 'unbent', 'tapered', 'elongated', 'rectangular', 'narrow', and 'slender'. All of these words can be used to describe lines, shapes, and other objects that are characterized by their linear or straight appearance. Whether you are describing a piece of furniture, a building, or a landscape, using synonyms for 'liniest' can help you to convey your message more clearly and effectively. So, go ahead and utilize the many synonyms for 'liniest' to enrich your writing and speech!