This is the 6315th most frequent Japanese word.
ゴツゴツ
"ゴツゴツ" means "rough, rugged, or bumpy."
The word 'ゴツゴツ' here describes the rough and uneven texture of the stone.
この石は表面がゴツゴツしている。
This stone has a rough surface.
In this sentence, 'ゴツゴツ' conveys the unevenness and irregularity of the road's surface.
その道はゴツゴツしていて歩きにくかった。
The road was rough and uneven, making it difficult to walk.
Here, 'ゴツゴツ' characterizes the jagged and rugged appearance of the mountains.