"Big D" is a colloquial term for Dallas, Texas in the United States. However, there are many synonyms for this term that can convey the same meaning. Some of the most common synonyms for "Big D" include the Dallas-Forth Worth Metroplex, D-Town, The Big Ditch, North Texas, and The Lone Star State. Other regional slang terms also refer to Dallas, including "The Triple D" which includes the neighboring cities of Duncanville, DeSoto, and Cedar Hill. These synonyms can help locals and outsiders alike refer to the city using a familiar term that evokes the spirit of Texas.