noiseless

adjective

noise·​less -zlə̇s 

1

: making or causing no noise or stir : free from noise : silent, quiet

kittens on noiseless feet

2

a

: making less noise than is typical of its kind

b

of a typewriter : having a type-bar action that is quieter than that of a standard typewriter

noiselessly adverb

noiselessness noun

plural -es

Word History

Etymology

noise entry 1 + -less

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Kids Definition

noiseless

adjective

noise·​less

ˈnȯiz-ləs

: making or causing no noise

kittens on noiseless feet

noiselessly adverb