noise

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Sound or a sound that is loud, unpleasant, unexpected, or undesired.
2. n. Sound or a sound of any kind: The only noise was the wind in the pines.
3. n. A loud outcry or commotion: the noise of the mob; a lot of noise over the new law.
4. n. Physics A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.
5. n. Computer Science Irrelevant or meaningless data.
6. n. Informal A complaint or protest.
7. n. Informal Rumor; talk.
8. n. Informal Remarks or actions intended to convey a specific impression or to attract attention: "The U.S. is making appropriately friendly noises to the new Socialist Government” ( Flora Lewis).
9. v. To spread the rumor or report of.
10. v. To talk much or volubly.
11. v. To be noisy; make noise.

Century Dictionary and Cyclopedia

1. n. A sound of any kind and proceeding from any source; especially, an annoying or disagreeable sound, or a mixture of confused sounds; a din: as, the noise of falling water; the noise of battle. In acoustics a noise, as opposed to a tone, is a sound produced by confused, irregular, and practically unanalyzable vibrations.
2. n. Outcry; clamor; loud, importunate, or continued talk: as, to make a great noise about trifles.
3. n. Frequent talk; much public conversation or discussion; stir.
4. n. Report; rumor.
5. n. A set or company of musicians; a band.
6. n. Offense; offensive savor.
7. n. Synonyms Tone, etc. (see sound, n., 2 and 3); din, clatter, blare, hubbub, racket, uproar.
8. To sound.
9. To spread by rumor or report; report: often with abroad.
10. To report of; spread rumors concerning; accuse publicly.
11. To disturb with noise.

Wiktionary

1. n. Various sounds, usually unwanted.
2. n. Sound or signal generated by random fluctuations
3. n. technology Unwanted part of a signal. (Signal to noise ratio)
4. n. genetics The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population
5. n. rumour or complaint
6. v. intransitive To make noise.
7. v. transitive To spread news of; to spread as rumor or gossip.

GNU Webster's 1913

1. n. Sound of any kind.
2. n. Especially, loud, confused, or senseless sound; clamor; din.
3. n. Loud or continuous talk; general talk or discussion; rumor; report.
4. n. obsolete Music, in general; a concert; also, a company of musicians; a band.
5. v. To sound; to make a noise.
6. v. To spread by rumor or report.
7. v. obsolete To disturb with noise.

WordNet 3.0

1. n. the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience
2. n. sound of any kind (especially unintelligible or dissonant sound)
3. n. the quality of lacking any predictable order or plan
4. n. a loud outcry of protest or complaint
5. n. incomprehensibility resulting from irrelevant information or meaningless facts or remarks
6. v. emit a noise
7. n. electrical or acoustic activity that can disturb communication