Noun

Lack of concord, agreement or harmony.

* Bible, Proverbs vi. 19

A false witness that speaketh lies, and he that soweth discord among brethren.

* Burke

Peace to arise out of universal discord fomented in all parts of the empire.

Tension or strife resulting from a lack of agreement; dissension.

(music) An inharmonious combination of simultaneously sounded tones; a dissonance.

Any harsh noise, or confused mingling of sounds.

* Francis Bacon

For a discord itself is but a harshness of divers sounds meeting.

Noun

(en noun)

Various sounds, usually unwanted.

* (Francis Bacon) (1561-1626)

The heavens turn about in a most rapid motion without noise to us perceived.

* {{quote-book, year=1959, author=(Georgette Heyer), title=(The Unknown Ajax), chapter=1

, passage=Charles had not been employed above six months at Darracott Place, but he was not such a whopstraw as to make the least noise in the performance of his duties when his lordship was out of humour.}}

Sound or signal generated by random fluctuations.

(label) Unwanted part of a signal. (Signal to noise ratio )

(label) The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.

Rumour or complaint.

* T. Baker

What noise have we had about transplantation of diseases and transfusion of blood!

* Spectator

Socrates lived in Athens during the great plague which has made so much noise in all ages.

(obsolete) Music, in general; a concert; also, a company of musicians; a band.

* (Ben Jonson) (1572-1637)

The king has his noise of gypsies.

(Milton)