1.
rough-hewn, roughly carved, coarsely shaved
The literal sense of something that has been carved or planed only roughly, without fine finishing. Used for wood, stone, or other materials.
2.
unpolished, rough but promising, raw talent
Used figuratively to describe a person, work, or performance that lacks refinement but shows raw power or potential. Often a compliment implying that the roughness is part of the appeal or that the person has room to grow.
His acting is rough around the edges, but he has the power to captivate the audience.
Usage
In the figurative sense, 荒削り is often used as a backhanded compliment, acknowledging that something or someone lacks refinement while praising the raw potential underneath. Particularly common in sports, arts, and entertainment commentary.