Word: frontier
Phonetic:
/fɹʌnˈtɪə/
Listen:
The part of a country which borders or faces another country or unsettled region
The most advanced or recent version of something; leading edge. Example: the frontier of civilization
An outwork of a fortification.
To live as pioneers on frontier territory.
To place on the frontier.
You can find a list of possible crossword clues for FRONTIER below.