frontier B2 Topic:Space, Position & Direction US /fɹʌnˈtɪɹ/ UK /ˈfɹʌntɪə/ See IPA manual Freq #8973 Meanings 1 noun The border between two countries. They were stopped at the frontier and asked for their passports. 2 noun The newest or most advanced area of knowledge or activity. Space travel is the new frontier of science. 3 noun The far edge of a settled area, beyond which the land is wild. Pioneers built their homes on the frontier. Thesaurus Synonyms 1 noun · the border between two... borderborderland 2 noun · the newest or most advanced... state of the artvanguard Word family Forms frontiersfrontiersman Derived forms cyberfrontiere-frontierfrontierismfrontieristfrontierlessfrontierlikefrontiermanfrontiersmanfrontierspersonfrontierswomanfrontierwomannonfrontier Common collocations frontier settlement Noun + noun farthest frontier Adjective + noun Etymology AI details From Middle English frounter, from Old French fronter (whence Modern French frontière), from front. frounter Middle English fronter Old French View etymology graph -> Topics Space, Position & Direction Places & Geography External links Cambridge Dictionary Wiktionary Google Images # frontier **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /fɹʌnˈtɪɹ/ **IPA (UK):** /ˈfɹʌntɪə/ **Frequency rank:** 8973 ## Meanings 1. The border between two countries. 2. The newest or most advanced area of knowledge or activity. 3. The far edge of a settled area, beyond which the land is wild. ## Examples - They were stopped at the frontier and asked for their passports. - Space travel is the new frontier of science. - Pioneers built their homes on the frontier. ## Derived Forms - cyberfrontier - e-frontier - frontierism - frontierist - frontierless - frontierlike - frontierman - frontiersman - frontiersperson - frontierswoman - frontierwoman - nonfrontier ## Roots and Affixes - Root: frounter - Root: fronter ## Etymology From Middle English frounter, from Old French fronter (whence Modern French frontière), from front. ## AI Etymology Frontier comes from Middle English frounter, from Old French fronter (whence Modern French frontière), from front. In current use, the main senses are “The border between two countries” and “The newest or most advanced area of knowledge or activity”. ## Topics - Space, Position & Direction - Places & Geography markdown