gotsu-gotsu
A hard, uneven surface with lumps and bumps — rocky terrain or rough hands.
💡Hiking on a rocky path — 'The trail is gotsu-gotsu, be careful.'
岩場がごつごつしていて歩きにくい。
The rocky area is gotsu-gotsu and hard to walk on.
The mountain trail was ___ with large rocks.
山道が○○した岩だらけで歩きにくかった。