trailblazing

US /ˈtreɪlˌbleɪ.zɪŋ/
UK /ˈtreɪlˌbleɪ.zɪŋ/
1.

先駆的な

being the first to do or use something, in a way that is an example for other people:

:
He cited the California judges' trailblazing role in overturning a ban on interracial marriage 56 years ago.
1.

先駆的な

the fact of being the first to do or use something, in a way that is an example for other people:

:
As a young medical student when there were very few other women students, she learned something about the difficulties of trailblazing.