CORE WORDS
CEFR | SNOT | Travel | • entering and leaving a country | frontier/border |
SAT5000 | frontier | The part of a nation's territory that abuts upon another country. frowzy | n. |
COMPOUND WORDS
frontier | {n} | (part of a country that fronts or faces another country or an unsettled region)
5000 WORDS
PHRASES
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