noun
roughness; rudeness; wildness; harshness; gruffness
Describes the quality of being rough, wild, harsh, or rude in manner, speech, or behavior. Often used for a person's attitude or the nature of something.
彼の言葉には荒々しさが感じられた。
There was a roughness in his words.
この海岸の荒々しさが好きだ。
I like the wildness of this coast.
乱暴 emphasizes violence or disorderly conduct, while 荒々しさ can refer to a rough manner or wild nature without necessarily implying violence.
Derived from the adjective 荒々しい (あらあらしい, 'rough, wild') by adding the nominalizing suffix さ. The base adjective is a reduplication of 荒い (あらい, 'rough').