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Entry

もぐもぐ

mogumogu

もぐもぐ describes a continuous, muffled movement, such as chewing food with the mouth closed or speaking unclearly.

Meaning

Quick Meaning

This mimetic word captures the visual or auditory impression of contained movement. It is most commonly used for chewing food quietly without opening the lips, or for mumbling words that are hard to catch. By extension, it also describes subtle wriggling or squirming movements, like a body moving continuously under a blanket.

  • Chewing with the mouth closed
  • Mumbling unclear words
  • Squirming in an enclosed space

Sense Map

Chewing

The action of chewing food with the mouth firmly closed, without making lip-smacking sounds.

パンをもぐもぐ食べる

Mumbling

Speaking with words muffled inside the mouth, making it difficult for others to hear clearly.

もぐもぐと言い訳をする

Squirming

The continuous subtle movement or wriggling of a body, often in a confined or covered space.

布団の中でもぐもぐ動く

Usage Note

How to Use

  • もぐもぐ(と) + verb

    Used as an adverb to describe how an action is performed, typically followed by verbs like 食べる (to eat), 言う (to say/speak), or 動く (to move).

  • もぐもぐする

    Used as a verb to state the action of chewing, mumbling, or squirming itself.

How to Use

Common Phrases

もぐもぐ食べる

eat while chewing (with mouth closed)

もぐもぐ言う

mumble words

口をもぐもぐさせる

move one's mouth as if chewing

もぐもぐ動く

squirm or wriggle

Nuance

Context Nuance

Common ContextsNuanceUsage Note
When describing eatingneutralImplies the mouth is full and chewing continuously. It often evokes a cute image, like a hamster or a child eating.
When describing speakingnegativeCan be frustrating for the listener because the words are trapped in the mouth and unclear.
When describing movementneutralUsed when the source of the movement is partially hidden, such as someone moving continuously under a thick blanket.

Similar Words

Comparison Table

Similar WordsWhen to UseNot the Same asMini Example

くちゃくちゃ

くちゃくちゃ / opposite

When someone is chewing food noisily with their mouth open.もぐもぐ is chewing quietly with the mouth closed, whereas くちゃくちゃ is loud, messy chewing often considered bad manners.くちゃくちゃ音を立てて食べる

むにゃむにゃ

むにゃむにゃ / similar

When mumbling due to sleepiness or talking in one's sleep.もぐもぐ focuses on the physical mouth movement of unclear speech, while むにゃむにゃ specifically implies being half-asleep or groggy.むにゃむにゃ寝言を言う

もじもじ

もじもじ / similar

When someone fidgets or squirms because they are shy, hesitant, or nervous.もぐもぐ is a physical wriggling often in a confined space, whereas もじもじ is bodily restlessness driven by emotions like shyness.もじもじして恥ずかしがる

Usage Note

Common Mistakes

Using もぐもぐ to describe someone chewing very loudly and smacking their lips.

Use くちゃくちゃ (kuchakucha) for noisy chewing. もぐもぐ implies the lips are sealed.

Using もぐもぐ to describe someone who is speaking quietly but with perfect, clear articulation.

もぐもぐ specifically implies the speech is muffled and hard to understand (mumbling).

Examples

Examples

彼はパンをもぐもぐと食べている。

かれはパンをもぐもぐとたべている。

He is chewing on his bread.

VisualDescribes someone chewing food with their mouth closed.

Source: Internal

口をもぐもぐさせて何かを噛んでいる。

くちをもぐもぐさせてなにかをかんでいる。

They are moving their mouth, chewing on something.

VisualFocuses on the visible movement of the mouth continuously moving.

Source: Internal

彼女はもぐもぐと言い訳をした。

かのじょはもぐもぐといいわけをした。

She mumbled an excuse.

FigurativeDescribes unclear speech due to reluctance or embarrassment.

Source: Internal

何をもぐもぐ言っているのか分からない。

なにをもぐもぐいっているのかわからない。

I don't know what they are mumbling about.

FigurativeA common expression when frustrated by not being able to hear someone's words.

Source: Internal

布団の中で赤ちゃんがもぐもぐ動いている。

ふとんのなかであかちゃんがもぐもぐうごいている。

The baby is squirming under the futon.

VisualDescribes hidden but continuous movement under a cover.

Source: Internal

Similar Words

Questions

Can I use もぐもぐ for a baby eating baby food?

Yes, it is very common to use this word to describe babies learning to chew with their small mouths.

Is speaking もぐもぐ (mogumogu iu) impolite?

The word itself is neutral, but the action of mumbling unclearly is generally considered impolite or lacking confidence in formal situations.

What is the main difference between もぐもぐ (mogumogu) and もぞもぞ (mozomozo) for movement?

もぐもぐ often pictures a wriggling motion that stays somewhat in one place (like tossing under a blanket), while もぞもぞ implies a slow, creepy-crawling progression.

Source Details

Entry ID
2009920
Source
JMdict_english
Revision
-
Review notes
No special notes
Active language
English
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