Synonyms for Murmur: 30 Useful Words and Examples

Looking for synonyms for murmur? The word murmur can describe speaking in a low, soft, or quiet voice, often making it difficult to hear clearly.

 Depending on the context, suitable alternatives may include whisper, mutter, mumble, grumble, hum, and mutter softly. 

Each synonym has a slightly different meaning and can help you choose the most accurate word for your sentence. 

This guide explores common synonyms for murmur, their meanings, usage, and examples to help you improve your vocabulary and write more naturally. 

What Does “Synonyms for Murmur” Mean?

“Synonyms for murmur” means other words that have a similar meaning to “murmur.” A murmur is usually a soft, quiet, or unclear way of speaking.

Common synonyms include:

• Whisper — speak very quietly
• Mumble — speak unclearly or indistinctly
• Mutter — speak in a low, often annoyed voice
• Grumble — complain in a low voice
• Whisper softly — speak in a very gentle, quiet voice
• Rustle — make a soft, low sound, often used for natural sounds

Example:
“She began to murmur something under her breath.”

A synonym could be:
“She began to mutter something under her breath.”

Etymology of “Murmur”

The word murmur comes from the Latin murmurare, meaning “to murmur,” “to mutter,” or “to make a low, indistinct sound.” It entered English through Old French murmur and has been used in English since the 14th century.

The word is also considered imitative (onomatopoeic) because its repeated soft sounds resemble the low, continuous sound it describes. Over time, murmur came to refer not only to quiet speech, but also to soft sounds made by nature, crowds, or objects.

Related forms:

• Murmur — noun and verb
• Murmuring — the act or sound of murmuring
• Murmured — spoke or made a soft, low sound

Pronunciation (US & UK – IPA)

Murmur is pronounced the same in both American and British English:

• US: /ˈmɝː.mɚ/
• UK: /ˈmɜː.mə/

The first syllable is stressed.

Syllables

The word murmur has 2 syllables:

mur-mur

• Syllable 1: mur — stressed
• Syllable 2: mur — unstressed

Syllable count: 2

What Are the Best Synonyms for Murmur?

The best synonyms for murmur include whisper, mutter, mumble, hum, buzz, drone, and rustle. Each word describes a soft, low, or unclear sound, though some also describe quiet complaining, like grumble or grouse. Choosing the right one depends on whether you mean a gentle sound or a quiet complaint.

Synonyms for Murmur at a Glance

Synonym	Simple Meaning	Best Used For
Whisper	A very quiet, soft voice	Secrets, quiet talk
Mutter	Speaking low and unclear, often annoyed	Complaining quietly
Mumble	Speaking unclearly, hard to understand	Nervous or shy talk
Hum	A steady, low, musical sound	Machines, gentle singing
Buzz	A low, busy, humming sound	Crowds, insects, excitement
Drone	A dull, steady, low sound	Engines, boring speech
Rustle	A soft sound of movement	Leaves, paper, fabric
Sigh	A soft breath showing feeling	Tiredness, sadness, relief
Grumble	Complaining in a low, unhappy voice	Mild complaints
Complain	Saying you are unhappy about something	General dissatisfaction
Babble	Fast, unclear, flowing talk	Excited talk, flowing water
Susurrus	A soft whispering or rustling sound	Poetic or literary writing
Purr	A soft, low, content sound	Cats, contentment
Whir	A low, buzzing, spinning sound	Fans, machines
Rumble	A deep, low, rolling sound	Thunder, distant noise

1. Whisper

Meaning: To speak very softly and quietly, often so others cannot hear.

Examples: She leaned over and began to whisper the secret to her friend. He could only whisper because his throat was sore.

2. Mutter

Meaning: To speak in a low, unclear voice, often because you are annoyed or unhappy.

Examples: He muttered something under his breath after losing the game. The old man muttered to himself while reading the letter.

3. Mumble

Meaning: To speak in a way that is hard to understand because the words are unclear or too quiet.

Examples: The shy student mumbled his answer and the teacher had to ask him to repeat it. She mumbled an apology and quickly left the room.

4. Hum

Meaning: A steady, low, musical sound made without opening your mouth fully, or a similar sound from a machine.

Examples: The refrigerator hummed quietly in the kitchen all night. She hummed a soft tune while washing the dishes.

5. Buzz

Meaning: A low, continuous, humming sound, often full of energy or excitement.

Examples: A buzz of excitement filled the room before the concert began. The bees buzzed busily around the flowers in the garden.

6. Drone

Meaning: A dull, low, steady sound that continues for a long time, often boring.

Examples: The professor’s voice droned on for almost an hour. We could hear the distant drone of an airplane overhead.

7. Rustle

Meaning: A soft, light sound made by things gently rubbing together, like leaves or paper.

Examples: The leaves rustled softly as the wind passed through the trees. She heard a rustle of paper coming from the next room.

8. Sigh

Meaning: A soft, long breath that shows tiredness, sadness, relief, or another feeling. (This is a near-synonym: a sigh is breath, not exactly a spoken murmur, but both are soft, gentle sounds that express emotion.)

Examples: She let out a long sigh after finishing the difficult exam. He sighed with relief when he found his lost keys.

9. Grumble

Meaning: To complain in a low, unhappy voice about something you dislike.

Examples: The workers grumbled about the long hours at the meeting. He grumbled quietly as he cleaned up the mess.

10. Complain

Meaning: To say that you are unhappy or unsatisfied about something. (This is a broader, more general word than murmur, used mainly for the “quiet protest” meaning.)

Examples: Several customers complained about the slow service. She complained to her manager about the noisy office.

11. Babble

Meaning: To talk quickly in a way that is hard to follow, or a soft, continuous flowing sound, like water.

Examples: The toddler babbled happily while playing with his toys. The stream babbled gently over the smooth stones.

12. Susurrus

Meaning: A soft whispering, rustling, or murmuring sound, often used in poetic or literary writing.

Examples: A susurrus of voices drifted from the crowded hall. The susurrus of the wind through the wheat field was calming.

13. Purr

Meaning: A soft, low, continuous sound that shows comfort or satisfaction, most often made by a cat. (This is a contextual alternative: it fits the “soft, steady sound” meaning of murmur, but is mainly linked to animals or engines.)

Examples: The cat purred softly on her lap by the fireplace. The engine purred smoothly as the car started up.

14. Whir

Meaning: A low, buzzing, spinning sound made by something moving quickly.

Examples: The fan whirred steadily in the corner of the room. We heard the whir of the drone as it flew overhead.

15. Rumble

Meaning: A deep, low, rolling sound, often felt as well as heard.

Examples: Thunder rumbled in the distance before the storm began. Her stomach rumbled loudly during the long meeting.

16. Undertone

Meaning: A quiet, low tone of voice used so that not everyone can hear.

Examples: They spoke in an undertone so the baby wouldn’t wake up. He answered in an undertone, worried someone might overhear.

17. Ripple

Meaning: A soft, spreading sound or reaction that moves through a group of people, similar to a wave. (This is a contextual alternative, often used for a “murmur of laughter” or reaction spreading through a crowd.)

Examples: A ripple of laughter spread through the audience after the joke. A ripple of applause followed the surprising announcement.

18. Hush

Meaning: A quiet, gentle silence or a soft sound that calms things down.

Examples: A hush fell over the classroom when the principal walked in. She hushed the crying baby with a gentle lullaby.

19. Murmuration

Meaning: A group murmuring sound, or the swirling pattern made by a large flock of birds. (This is a contextual alternative: it relates to murmur through sound and movement, but is mostly used for starling flocks in nature writing.)

Examples: A murmuration of starlings swept across the evening sky. A quiet murmuration of voices rose from the waiting crowd.

20. Gripe

Meaning: An informal word meaning to complain about something small in a low, annoyed voice.

Examples: He always gripes about the weather on Monday mornings. The kids griped about doing their homework before dinner.

21. Grouse

Meaning: To complain in a grumbling, unhappy way, similar to grumble but slightly more informal.

Examples: The players groused about the referee’s unfair call. She groused about the traffic on her way to work.

22. Bemoan

Meaning: To express sadness or unhappiness about something in a quiet, complaining way.

Examples: He bemoaned the loss of his favorite team in a low voice. They bemoaned the rising prices at the grocery store.

23. Whimper

Meaning: A soft, weak, crying sound that shows fear, pain, or sadness. (This is a near-synonym: it is softer and more emotional than a general murmur, often linked to distress.)

Examples: The puppy whimpered quietly outside the door. She whimpered softly, trying not to cry in front of everyone.

24. Croon

Meaning: To sing or speak in a soft, low, gentle voice, often in a soothing way.

Examples: The mother crooned a soft lullaby to her sleeping baby. He crooned an old love song into the microphone.

25. Coo

Meaning: A soft, gentle sound, similar to the low sound a dove or pigeon makes, or a soft, loving tone of voice.

Examples: The baby cooed happily while looking at the colorful mobile. She cooed softly at the kitten curled up on the couch.

26. Patter

Meaning: A quick, light, tapping or murmuring sound, like soft footsteps or falling rain.

Examples: The rain pattered gently against the windowpane. We heard the patter of small feet running down the hallway.

27. Gurgle

Meaning: A soft, bubbling sound, often made by water or a baby’s happy sounds. (This is a contextual alternative: it fits the “soft sound” meaning of murmur but not the “quiet complaint” meaning.)

Examples: The stream gurgled quietly as it flowed over the rocks. The baby gurgled happily in her crib.

28. Chatter

Meaning: Fast, light talk, often continuous and not very serious. (This is a near-synonym: chatter is usually a bit louder and faster than a murmur.)

Examples: Low chatter filled the café as friends caught up over coffee. The children’s chatter grew quieter as they fell asleep.

29. Prattle

Meaning: To talk quickly and continuously about unimportant things, often in a low, steady voice.

Examples: She prattled on about her weekend plans during lunch. He prattled quietly to himself while organizing his desk.

30. Undercurrent

Meaning: A hidden or quiet feeling, opinion, or complaint that exists below the surface, similar to a murmur of dissatisfaction. (This is a contextual alternative: it describes a feeling rather than an actual sound.)

Examples: There was an undercurrent of frustration in the office after the announcement. An undercurrent of excitement ran through the crowd before the show started.

How to Choose the Right Synonym for Murmur

Synonyms rarely mean exactly the same thing. Each word for murmur carries its own tone, strength, and formality, so picking the right one matters.

• Formal vs. informal: “Undertone” fits formal writing, while “gripe” sounds casual.
• Positive vs. negative: “Purr” and “coo” sound warm and pleasant, while “grumble” and “grouse” sound unhappy.
• Strong vs. weak: “Rumble” is a strong, deep sound, while “whisper” is soft and gentle.
• Academic writing: Choose precise, neutral words like “murmur,” “undertone,” or “susurrus.”
• Business writing: Use clear, professional words like “complain” or “undertone” instead of slang.
• Casual conversation: Words like “mutter,” “gripe,” and “grumble” sound natural.
• Creative writing: “Susurrus,” “murmuration,” and “ripple” add poetic detail.
• Social media content: Short, relatable words like “buzz” or “hum” work well.

For example, saying a crowd “buzzed with excitement” feels energetic, while saying a crowd “murmured nervously” feels tense and uncertain. The right word changes the whole mood of a sentence.

Formal and Informal Synonyms for Murmur

Formal Synonym	Informal Synonym	Example Context
Undertone	Whisper	Talking quietly in a meeting vs. sharing a secret
Complain	Gripe	A formal customer complaint vs. casual venting
Murmur	Mumble	A polished speech vs. a nervous, unclear answer
Susurrus	Rustle	A literary description vs. everyday leaves moving
Drone	Ramble on	A formal report vs. a friend talking too long

Best Synonyms for Different Contexts

Academic Writing Murmur, undertone, susurrus, complain, and undercurrent work well because they sound precise and neutral.

Blog Writing Whisper, buzz, hum, chatter, and grumble feel natural and easy for readers to picture.

Business Writing Complain, undertone, undercurrent, murmur, and grouse (used carefully) keep a professional tone.

Everyday Conversation Mutter, gripe, grumble, mumble, and whisper are common in casual, spoken English.

Creative Writing Susurrus, murmuration, ripple, croon, and coo add rich, descriptive detail to stories and poems.

Common Mistakes When Using Synonyms

1. Choosing a word with the wrong meaning. “Rumble” suggests a deep, strong sound, so it doesn’t fit a scene about someone whispering softly.
2. Using a formal word in casual speech. Saying “undercurrent of dissatisfaction” in a quick text message can sound stiff and unnatural.
3. Replacing a word without checking context. “Gurgle” works for water, but not for describing a crowd’s quiet complaints.
4. Using a synonym that changes the tone. Swapping “murmur” for “grumble” turns a neutral sound into a clearly unhappy one.
5. Repeating synonyms too much in SEO content. Overusing fancy words like “susurrus” in every sentence can make writing feel forced instead of natural.

Synonyms vs. Related Words

• True synonyms share almost the same meaning in most situations, like murmur and mutter.
• Near-synonyms are close in meaning but carry a different feeling or strength, like whimper, which is softer and sadder than murmur.
• Related words connect to the same idea but aren’t direct replacements, like chatter, which is usually louder and faster.
• Contextual alternatives only work in specific situations, like gurgle, which fits water sounds but not quiet complaints.

Understanding these differences helps you avoid using the wrong word in the wrong place.

How to Use Synonyms in Your Writing

Synonyms for murmur can make many types of writing feel more natural and vivid:

• Essays: Vary sound descriptions instead of repeating the same word.
• Blog posts: Keep readers engaged with fresh, relatable language.
• Emails: Choose a formal synonym like “undertone” for professional messages.
• Website content: Improve flow and avoid repetitive phrasing.
• Social media posts: Use short, punchy words like “buzz” or “hum.”
• Stories: Add mood and atmosphere with words like “susurrus” or “croon.”
• School assignments: Show a wider vocabulary to teachers and examiners.

The goal is always clarity first. Synonyms should make writing easier to understand and more interesting, not confusing.

Frequently Asked Questions About Synonyms for Murmur

What is another word for murmur?

Common alternatives include whisper, mutter, mumble, hum, and buzz. Each one describes a soft or low sound, though some also suggest quiet complaining, depending on the sentence.

What is the best synonym for murmur?

It depends on the context. For a soft, gentle sound, “whisper” or “hum” works well. For quiet complaining, “grumble” or “mutter” fits better.

Which synonym is best for formal writing?

“Undertone” and “murmur” itself are strong choices for formal writing, since they sound neutral, precise, and professional.

Which synonym is best for everyday conversation?

Words like “mutter,” “gripe,” and “grumble” feel natural and relaxed in everyday spoken English.

Can I use these synonyms in academic writing?

Yes, but choose carefully. Words like “murmur,” “undertone,” and “complain” work well, while very casual words like “gripe” should be avoided.

Are all synonyms exactly the same?

No. Many synonyms are close in meaning but differ in tone, strength, or formality. Always check that the word fits the feeling you want to express.

How can I learn synonyms easily?

Read a variety of books and articles, keep a vocabulary notebook, and practice using new synonyms in your own sentences right after you learn them.

How can synonyms improve my writing?

Synonyms add variety, prevent repetition, and help you express exact shades of meaning, making your writing clearer and more interesting to read.

Conclusion

Learning synonyms for murmur can make a real difference in your writing, blogging, speaking, and everyday communication. Instead of repeating the same word, you now have 30 fresh options to describe soft sounds and quiet complaints with more precision and color.

Try using a few of these words in your next email, essay, blog post, school assignment, or daily conversation. The more you practice, the more naturally these words will come to you, and your vocabulary will keep growing stronger every day.