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Entry

ぶんぶん

bunbun

ぶんぶん describes a continuous loud buzzing or humming sound made by insects or engines, as well as the action of vigorously swinging or shaking something.

Meaning

Quick Meaning

This word is primarily used in two ways. First, it describes a continuous, resonant buzzing or humming sound typically associated with flying insects like bees and flies, or the roaring of motors. Second, it depicts the state of swinging, spinning, or shaking something vigorously and forcefully, such as swinging one's arms while walking or forcefully shaking one's head in refusal.

  • Buzzing sound of bugs or engines
  • Vigorous swinging or shaking motion

Sense Map

Buzzing Sound

Describes a loud, continuous, low-pitched humming or buzzing sound, typically from insects or machinery.

ハチがぶんぶん飛ぶ

Vigorous Swinging

Describes the act of swinging, spinning, or shaking something with a lot of force and speed.

腕をぶんぶん振り回す

Usage Note

How to Use

  • ぶんぶんと + verb

    Used as an adverb to describe how an action is performed, emphasizing the buzzing or swinging (e.g., ぶんぶんと飛ぶ - to fly buzzing).

  • ぶんぶん + verb

    Adverbial form without the 'to' particle, often used in casual speech for fluidity (e.g., ぶんぶん振る - to swing vigorously).

  • ぶんぶんいう

    Describes a state where something is actively producing a loud buzzing or humming noise.

How to Use

Common Phrases

蜂がぶんぶん飛ぶ

Bees fly buzzing

腕をぶんぶん振り回す

Swing arms vigorously

首をぶんぶん横に振る

Vigorously shake head side to side

エンジンがぶんぶん鳴る

Engine hums/roars loudly

Nuance

Context Nuance

Common ContextsNuanceUsage Note
Insect or engine soundsNeutralOften implies the sound is somewhat loud, noticeable, or slightly annoying due to its proximity.
Arm or head movementsEnergetic / FirmIndicates strong refusal (if shaking head) or high enthusiasm and energy (if swinging arms).

Similar Words

Comparison Table

Similar WordsWhen to UseNot the Same asMini Example

ぶーん

ぶーん / similar

For a longer, steadier humming or zooming sound of a car, machine, or mosquito passing by.ぶんぶん focuses more on a vigorous repeating buzz or a forceful physical swinging motion.車がブーンと通り過ぎる。

ぶるぶる

ぶるぶる / contrast

For the body trembling involuntarily from cold, fear, or rapid small vibrations.ぶんぶん is a large, deliberate swinging motion (like arms or a head), not involuntary trembling.寒さでぶるぶる震える。

Usage Note

Common Mistakes

Using ぶんぶん to describe shivering from the cold.

Use ぶるぶる for shivering or trembling. ぶんぶん is for deliberate, forceful swinging.

Using ぶんぶん for bird chirps or cricket sounds.

Use specific animal sounds. ぶんぶん is specifically for the mechanical buzzing of wings (like flies/bees) or engines.

Examples

Examples

蜂が耳のそばでぶんぶん飛んでいてうるさい。

はちがみみのそばでぶんぶんとんでいてうるさい。

A bee is flying around buzzing near my ear and it is noisy.

LiteralRefers to the buzzing sound of the flying bee.

Source: Internal

子供が元気よく腕をぶんぶん振って歩いている。

こどもがげんきよくうでをぶんぶんふってあるいている。

The child is walking, swinging their arms vigorously with energy.

VisualDescribes the strong, energetic swinging motion of the arms.

Source: Internal

彼は絶対に嫌だというように、首をぶんぶん横に振った。

かれはぜったいいやだというように、くびをぶんぶんよこにふった。

He vigorously shook his head from side to side as if to say he absolutely didn't want to.

VisualShows strong denial through a vigorous head shake.

Source: Internal

遠くでバイクのエンジン音がぶんぶん鳴っている。

とおくでバイクのエンジンおとがぶんぶんなっている。

The sound of a motorcycle engine is humming loudly in the distance.

LiteralUsed for the continuous, loud revving or humming of an engine.

Source: Internal

大きなハエが部屋の中をぶんぶんと飛び回っている。

おおきなハエがへやのなかをぶんぶんととびまわっている。

A large fly is flying around buzzing in the room.

LiteralTypical usage for noisy flying insects.

Source: Internal

Similar Words

ブーン

buun

similar

A steadier, longer mechanical or insect humming sound.

Questions

What is the difference between bunbun and buruburu?

bunbun is used for large, forceful swinging motions (like arms) or loud buzzing sounds, while buruburu is used for small, involuntary body tremors from cold or fear.

Can bunbun be used for any animal sound?

No. It is exclusively suited for fast-flapping winged insects like bees, wasps, or flies that produce a buzz.

Does this word only describe sounds?

No, bunbun is also very commonly used to describe someone swinging their arms, spinning something, or shaking their head forcefully.

Source Details

Entry ID
2009640
Source
JMdict_english
Revision
-
Review notes
No special notes
Active language
English
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ぷんと (punto)
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