noiseless

Producing no noise; without noise.

Japanese Meaning

音を立てない、音を出さない、無音の

She closed the noiseless door behind her so as not to wake the baby.

彼女は赤ちゃんを起こさないように、音のしないドアを静かに閉めた。

Sense（1）

Producing no noise; without noise.

The movements of the cat were noiseless as it approached the mousehole.

more noiseless

（ comparative ）

most noiseless

（ superlative ）