English / word
frontier
noun B2MEANING IN ENGLISH
a border between two countries; the extreme limit of understanding or exploration; A new area of activity, knowledge, or development; the edge of knowledge or achievement.
A border between two countries; also a new area of knowledge or activity.
In context
01
Scientists are exploring the deep ocean as the next scientific frontier.
02
Robotic surgery is exploring a new frontier in medicine.
Synonyms
border,boundary,edge
Antonyms
interior,center
Collocations
frontier area,frontier guard,expand frontiers