noiseless
🇺🇸
/ˈnɔɪzləs/
🇬🇧
/ˈnɔɪzləs/
adjective
R
without making any sound
She tiptoed into the room, making noiseless steps so as not to wake the baby.
她踮着脚尖走进房间，步子无声，以免吵醒婴儿。
translation
无声的