Added 9 October 2026
frontier
/ˈfɹʌntɪə/ noun
In Latin: finis Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about frontier at Wordnik → Where our words come from →
-
A wilderness at the edge of a settled area of a country.
the individualism of the frontier in Andrew Jackson's day
- An international boundary or the area (often fortified) immediately inside the boundary.
-
An undeveloped field of study; a topic inviting research and development.
he worked at the frontier of brain science
Origin
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.
From Wiktionary, via Kaikki.org (CC BY-SA)