| English adjective: southwestern | |||
| 1. | southwestern situated in or oriented toward the southwest | ||
| Synonyms | southwest, southwesterly | ||
| Similar | south | ||
| Antonyms | north | ||
| 2. | southwestern of a region of the United States generally including New Mexico; Arizona; Texas; California; and sometimes Nevada; Utah; Colorado | ||
| Similar | western | ||
| Antonyms | eastern | ||
| English noun: Southwestern | |||
| 1. | Southwestern (communication) a dialect of Middle English | ||
| Synonyms | West Saxon | ||
| Broader (hypernym) | Middle English | ||