noun
verb
Freq #8973
Meanings
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1
noun
The border between two countries.
They were stopped at the frontier and asked for their passports.
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2
noun
The newest or most advanced area of knowledge or activity.
Space travel is the new frontier of science.
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3
noun
The far edge of a settled area, beyond which the land is wild.
Pioneers built their homes on the frontier.
Thesaurus
Synonyms
Word family
Forms
frontiersfrontiersman
Derived forms
cyberfrontiere-frontierfrontierismfrontieristfrontierlessfrontierlikefrontiermanfrontiersmanfrontierspersonfrontierswomanfrontierwomannonfrontier
Etymology
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.
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