knell

American  

[nel] / nɛl /

noun

1. the sound made by a bell rung slowly, especially for a death or a funeral.

2. a sound or sign announcing the death of a person or the end, extinction, failure, etc., of something.

   the knell of parting day.

3. any mournful sound.

---

verb (used without object)

1. to sound, as a bell, especially a funeral bell.

2. to give forth a mournful, ominous, or warning sound.

verb (used with object)

1. to proclaim or summon by, or as if by, a bell.

knell British  

/ nɛl /

noun

1. the sound of a bell rung to announce a death or a funeral

2. something that precipitates or indicates death or destruction

---

verb

1. (intr) to ring a knell

2. (tr) to proclaim or announce by or as if by a tolling bell

knell Idioms  

1. see death knell.

---

Other Word Forms

• unknelled adjective

Etymology

Origin of knell

before 950; (noun) Middle English knel, Old English cynll; (v.) Middle English knellen, knyllen, Old English cynllan; cognate with Old Norse knylla to beat, strike; akin to Dutch knal bang, knallen to bang, German Knall explosion, knallen to explode

Explanation

A knell is a ringing sound, particularly from a bell tolled to announce a death or the end of something. Which is kind of depressing. From the Old English cnyll, meaning “sound made by a bell when struck or rung slowly,” comes our modern day knell. It certainly describes the slow, ominous sound of funeral bells, but isn't always used so literally: We often say that a final blow or action that will bring an end to something sounds or signals the death knell. And if you hear a bell knell in your dreams, look out — superstition says that's not a good sign.

Example Sentences

Now, many are wondering: Is the death knell finally tolling for the Cuban Revolution?

From Los Angeles Times • Mar. 16, 2026

Tan’s comments are far from a death knell for Corning’s optical networking hopes.

From Barron's • Mar. 5, 2026

Mr. Trump spoke on Monday with Mr. Sharaa, and on Tuesday Mr. Barrack sounded a death knell for the SDF.

From The Wall Street Journal • Jan. 21, 2026

It marks the death knell of the post–World War II settlement that, however imperfect, wrestled the anarchy of war into a framework designed to condition armed aggression on legal justification.

From Slate • Jan. 5, 2026

The Joseph Bell tolled its last, huge knell.

From "Redwall" by Brian Jacques