Definitions

1. adjective

most likely to be at the forefront of a development or trend

“The edgiest fashion designers showcased their latest collections at Paris Fashion Week.”

2. noun

the most extreme or advanced example of something

“The new rollercoaster was the edgiest ride at the amusement park.”

3. superlative form of ‘edgy’

having or characterized by an innovative or provocative quality

“The edgiest scenes in the movie were not suitable for all audiences.”