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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
muttering
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "muttering" is correct and usable in written English.
It can be used to describe speaking in a low or indistinct voice, often in a way that is difficult to understand, typically expressing discontent or annoyance. Example: "He was muttering under his breath about the unfair decision made by the committee."
✓ Grammatically correct
News & Media
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
When he first started putting men in pussy-bow blouses, there was muttering about boundary pushing and it was dismissed as experimental London fashion by some factions.
News & Media
Will I, in 10 years, be holding my groin, muttering, "There's a frost coming"?
News & Media
When he announced last week that he intended to end his day-to-day involvement with the team, 15-year-old apprentices on the Old Trafford ground staff were heard muttering emotionally that the club would never be the same without The Boss. "They've got no right to understand what he is about, but in a weird way they do," Crerand says.
News & Media
"I doubt that very much," he began, as two bodyguards waited patiently at the gatepost, muttering to each other via their earpieces.
News & Media
The complaints about the programme came almost a year after BBC director general Tony Hall said the corporation could look at how to stop actors "muttering" in its TV dramas.
News & Media
Which means that, even if he could hear what Arthur was muttering at his TV in the the night, he would not have listened.
News & Media
Now, this may tire those of you who inexplicably keep track of my every fortnightly muttering in this space and say "wait a minute, wasn't Ben's last one of these half a step short of shouting 'all is lost!' and starting a comet cult?" Yes, my narrative about the resurgence of hope today is utterly inconsistent with everything I've been rambling about for months.
News & Media
She was subject to a great deal of muttering: the other members of her shadow cabinet had all been shocked by her becoming leader; a lot of the grandees deeply resented that she was leading the party and they were not.
News & Media
Listen carefully and you can hear similar muttering in the boardrooms of major companies.
News & Media
But Dave, an Australian artist, is dismissive of prepping and asking permission, muttering "pussies" under his breath when I mention it.
News & Media
Gripping a can of lager and muttering darkly about the foreigners on the east side of town, Pete Johnson makes an unlikely champion for electoral reform.
News & Media
Expert writing Tips
Best practice
When using "muttering" consider the context. The term implies a level of negativity, grumbling or secrecy. Ensure the situation and character's intent align with this connotation.
Common error
Avoid using "muttering" when a neutral or positive tone is intended. "Muttering" carries a negative implication of discontent or disapproval, so use alternatives like "murmuring" or "whispering" if the context is not negative.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The word "muttering" functions primarily as a verb, specifically as a present participle or gerund. It describes the action of speaking quietly and indistinctly, often expressing dissatisfaction. Ludwig AI indicates its correct usage in varied contexts.
Frequent in
News & Media
75%
Science
8%
Formal & Business
8%
Less common in
Encyclopedias
3%
Wiki
3%
Reference
3%
Ludwig's WRAP-UP
In summary, "muttering" is a versatile word primarily functioning as a verb, describing low, indistinct speech often expressing discontent. Ludwig AI confirms it's grammatically correct and usable across diverse contexts, predominantly appearing in news and media. While generally neutral in register, it carries a negative connotation, suggesting complaint or disapproval. Consider synonyms like "murmuring" or "grumbling" based on the specific tone you wish to convey. When writing, ensure the use of "muttering" aligns with the intended negative implication, and consider context for accuracy. With a high expert rating and frequent usage, mastering "muttering" enhances descriptive writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
quietly muttering
Adds the element of doing the action in a quite manner.
murmuring
Implies a softer, less distinct form of low speech.
grumbling
Suggests a low, complaining tone.
mumbling
Indicates speaking unclearly, often with the mouth closed.
murmuring complaints
Explicitly combines quiet speech with dissatisfaction.
speaking under one's breath
Describes speaking quietly so as not to be overheard.
low voice grumbling
Highlights the audibility and tone of the discontent.
whispering
Refers to speaking very quietly, often secretively.
softly complaining
Emphasizes the quiet and dissatisfied nature of the speech.
barely audible grumbling
Refers to a complaining grumble that is difficult to hear.
FAQs
How is "muttering" typically used in a sentence?
What are some synonyms for "muttering" that I can use instead?
Depending on the context, you can use synonyms like "murmuring", "mumbling", "whispering", or "grumbling". Each carries a slightly different nuance of quiet or unclear speech.
Is it correct to use "muttering" to describe a positive emotion?
No, "muttering" generally implies negativity, such as annoyance, disagreement, or discontent. It's better to use words like "murmuring" or "whispering" if describing a positive emotion.
What's the difference between "muttering" and "murmuring"?
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested