the frontiers of sth
C2 the limits of what is known or what has been done before in an area of knowledge or an activity:
the frontiers of science and technology
Thesaurus: synonyms and related words
Describing the leading position
- ahead
- be in the front line idiom
- be streets ahead idiom
- front
- frontier
- lead 1
- lead the field/pack/world idiom
- leading edge
- pacemaker
- pioneering
- spearhead
- standard-bearer
- street
- the cutting edge
- the forefront
- the front line
- the vanguard
- trailblazer
- van