frontier
Frontier (noun) means the border area between two countries, or the edge of settled and unsettled land. Example: “Guards checked our passports at the frontier before we crossed.”
How to use frontier
Learner’s notesIn plain EnglishA border region, or figuratively, the cutting edge of a field of knowledge.
Word forms
- Plural
- frontiers
- Third person singular
- frontiers
- Past tense
- frontiered
Fill the gap
Can you complete this real example?
Guards checked our passports at the _____ before we crossed.
Etymology
From Old French frontiere, based on Latin frons ("front").
Synonyms
View more →Related words
Rhymes for frontier
See all rhymes for frontier →Frequently asked questions
What does “frontier” mean?
How do you pronounce “frontier”?
How do you use “frontier” in a sentence?
What part of speech is “frontier”?
Where does the word “frontier” come from?
Is “frontier” a common word?
How many meanings does “frontier” have?
What is the difference between "frontier" and "border"?
What words commonly go with "frontier"?
What is the difference between "frontier" and "boundary"?
Featured in
Vocabulary lists that include frontier: