Sou'-est is a nautical term referring to a direction between south and southwest. Some common synonyms for sou'-est include southwestward, southwesterly, and southwestwardly. Other alternatives for this term include southwest, sou'west, and south-west-by-south. These synonyms are widely used in navigation, meteorology, and other fields where precise directional references are necessary. Additionally, the term sou'-est is often used in literature to evoke a sense of mystery and adventure, particularly in stories set in the sea or coastal areas. Thus, understanding the various synonyms for sou'-est can enhance one's communication skills and enrich their vocabulary.