frontier Synonyms
Another word for frontier
• noun (Context 1)
A line or border separating two countries.
"Travelers had to present their passports to customs officials at the mountain border."
• noun (Context 2)
The extreme limit of settled land beyond which lies wilderness, especially in the historical westward expansion of the United States.
"Nineteenth-century pioneers built log cabins as they pushed the backcountry further west."
• noun (Context 3)
The outer limit of knowledge, achievement, or exploration in a particular field.
"Deep-sea exploration remains an exciting scientific forefront with thousands of undiscovered species."
• adjective (Context 4)
Relating to or situated on a border or the outer edge of settled territory.
"Life in the small outlying town required resilience and close cooperation among neighbors."
• adjective (Context 5)
Relating to the most advanced, innovative, or newly developing area of research or activity.
"The institute secures funding for pioneering research in quantum computing and renewable energy."
Opposites of frontier
The opposite of frontier shifts depending on context. Common opposites include: