noiseless
🇺🇸
/ˈnɔɪzləs/
🇬🇧
/ˈnɔɪzləs/
adjective
R
without making any sound
She tiptoed into the room, making noiseless steps so as not to wake the baby.
她躡手躡腳地走進房間，步伐無聲，以免吵醒嬰兒。
translation
無聲的