What does frontiers mean in crosswords?

frontiers means: Border regions or new areas of exploration and development.

Which crossword clues can have frontiers as the answer?

Possible clues for frontiers include "Border regions".

Word entry · 9 letters

Best crossword clue

"Border regions"

9 letters · collected on this word page

9 lettersSorted efinorrstStarts with FEnds with S1 cluesCommon crossword word

1F2R3O4N5T6I7E8R9S

01“Border regions”9 letters

Not quite right?

F________