noiseless Definition

noise
noun

1. A sound.
2. A harsh disagreeable sound, or such sound; a din.

Thesaurus: sound, clamour, tumult, racket, fracas, din, pandemonium, turbulence, caterwauling, blare, clatter, commotion, babel, stridency, uproar, ballyhoo, hubbub; Antonym: silence, quiet, lull.
3. radio.
Interference in a signal.
4. computing.
Irrelevant or meaningless material appearing in output.
5. facetious
Something one says as a conventional response, vague indication of inclinations, etc.
Example: make polite noises

verb

noised, noising
1. To make something generally known; to spread (a rumour, etc).

Form: noise abroad (usually)
Form: noise about

Idiom: make a noise

colloq
To talk or complain a great deal.

Derivative: noiseless
adj

Lacking noise; silent.
Thesaurus: silent, still, hushed, inaudible, wordless, voiceless, muted, quiet; Antonym: loud, noisy.

Derivative: noiselessly
adverb

Derivative: noiselessness
noun

Etymology: 13c: French, from Latin nausea sea-sickness.