frontier (noun)
A frontier is a border between two countries. It is also the edge of a land where people have just started to live and build.
"This is an example with frontier."
FRONTier: The FRONT line of a counTRY.
Using 'frontier' for small, personal boundaries.
Saying 'the frontier of the room' instead of 'the threshold.'
Unlock all results
more results are waiting for you!
Sign up free to unlock 176,000+ vocabulary items, phrases, and grammar rules
無料で学習を始める体験期間中いつでもキャンセルOK。
Hmm, we couldn't find that...
Try a different search term or adjust your filters. Maybe try a simpler word?
💡 Try searching for
Let's find something awesome!
Search vocabulary, phrases, grammar rules, videos, and more
最近の検索
よく検索されている語句
Start typing to explore
単語、フレーズ、文法、動画、ブログ記事、国別記事を検索できます。
