American Dictionary
Definition frontier in American English
frontier
noun
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.
These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
noun
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
/frʌnˈtɪr/
1
a border between two countries, especially one with official points where people or vehicles cross
Example
the frontier between Israel and Lebanon
Example
Italy's frontier with Switzerland
Synonyms and related words
Example
We are dedicated to experimentation, to pushing back the frontiers.
Synonyms and related words
