noiseless

/noiz-lis/US // ˈnɔɪz lɪs //UK // (ˈnɔɪzlɪs) //

无声无息,无声,无噪音,无声的

Definitions

adj.形容词 adjective

1
- : accompanied by or making little or no noise; silent; quiet: a noiseless step; a noiseless typewriter.

adj.quiet

Synonyms

Antonyms

Honeywell, Vornado, and Lasko make several portable room fans that are practically noiseless.
It was mostly noiseless as these events are these days, with volunteers holding up the QUIET signs long present at these events and the MASK UP signs more recently present at these events.
It is like the eating of a smothered fire into rotten timber in that it is noiseless and without haste.
Each sprite of aromatic perfume when released plunged into noiseless tumult with opposing fumes.
He may be one of the noiseless kind, or, rather, may have been such before this shock unsettled his mind.
To the uninitiated it would be surprising to see with what noiseless secrecy these manoeuvers could be accomplished.
With noiseless step, the tall Harun glided from behind a pillar and plucked Musa's elbow.