Fortyniners, also known as gold rushers, refer to the individuals who migrated to California in 1849 in search of gold during the California Gold Rush. Synonyms for fortyniners include gold seekers, prospectors, pioneers, and adventurers. These terms all carry a similar connotation in describing the individuals who were willing to take a risk and venture to the unknown to find gold. Other words that could be used to describe the fortyniners' characteristics include opportunistic, tenacious, and determined. Despite the challenges and risks involved in their pursuits, the fortyniners' search for gold played a significant role in shaping California's development and the history of the American West.