murmur

1 of 2

noun

mur·​mur ˈmər-mər 

1

: a half-suppressed or muttered complaint : grumbling

murmurs of disapproval

2

a

: a low indistinct but often continuous sound

a murmur of voices

the murmur of the waves along the shore

b

: a soft or gentle utterance

the murmur of nannies cooing into baby carriages

—Nancy Gibbs

3

: an atypical sound of the heart typically indicating a functional or structural abnormality

The physician detected a heart murmur in his patient.

murmur

2 of 2

verb

murmured; murmuring; murmurs

intransitive verb

1

: to make a murmur

the breeze murmured in the pines

2

: complain, grumble

transitive verb

: to say in a murmur

murmurer noun

Synonyms

Noun

• whine
• complaint
• moan
• fuss
• lament
• grievance

Verb

• complain
• scream
• whine
• moan
• mutter

Examples of murmur in a Sentence

Noun

the murmur of the crowd

The suggestion brought murmurs of disapproval.

He spoke in a murmur.

They spoke to each other in murmurs.

the murmur of the waves along the shore

Verb

He murmured something about having to get home.

“Thank you,” she murmured as she left the room.

The breeze murmured in the pines.

Recent Examples on the Web

Noun

Pulmonic stenosis is a congenital heart defect where the flow of blood from the heart to the lungs is obstructed, and a grade VI murmur is the most intense type of heart murmur, typically indicating a significant abnormality. —Lydia Patrick, MSNBC Newsweek, 21 June 2025

As a child, the fighter was actually ordered by doctors not to play sports because of a heart murmur. —Naman Ramachandran, Variety, 17 June 2025

Verb

As the performance ran late, Germans murmured and Chinese girls giggled. —Amanda Chicago Lewis, Harpers Magazine, 29 Apr. 2025

In one video, the passenger shared a video of a brown roach making its way up the back of a chair from the back seat pocket with its little legs as passengers who witnessed it could be heard murmuring in the background. —Kimberlee Speakman, People.com, 14 May 2025

Word History

Etymology

Noun

Middle English, "continuous sound, complaint," borrowed from Anglo-French murmure (also continental Old French), probably noun derivative of murmurer "to murmur entry 2"

Verb

Middle English murmuren "to hum (of bees), growl, grumble, complain," borrowed from Anglo-French & Latin; Anglo-French murmurer "to grumble, complain" (Old French also "to murmur" [of a brook]), borrowed from Latin murmurāre "to make a low, continuous sound, mutter, grumble, complain," of onomatopoeic origin

Note: Alternatively the medieval French word could be descended from murmurāre if the onomatopoeic character of the word would override the regular vowel change of ŭ to ọ; this is the opinion of the Französisches etymologisches Wörterbuch.

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at intransitive sense 1

Phrases Containing murmur

• without a murmur

Rhymes for murmur

• firmer

Kids Definition

murmur

1 of 2 noun

mur·​mur ˈmər-mər 

1

: a muttered complaint : grumble

2

: a low, faint, and continuous sound

the murmur of bees

3

: an irregular heart sound typically indicating an abnormality in the heart's function or structure

murmur

2 of 2 verb

1

: to make a murmur

the breeze murmured in the pines

2

: to say in a voice too low to be heard clearly

murmurer noun

Medical Definition

murmur

noun

mur·​mur ˈmər-mər 

: an atypical sound of the heart typically indicating a functional or structural abnormality

called also heart murmur