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Japanese Onomatopoeia: Sound Words & Mimetic Expressions (擬音語・擬態語)

Master Japanese onomatopoeia, from ドキドキ (dokidoki/heart pounding) to ピカピカ (pikapika/sparkling). Japanese has one of the richest systems of sound-symbolic words in the world, with over 4,500 onomatopoeia used in everyday speech, manga, and anime.

Japanese Onomatopoeia at a Glance

Three Categories

Japanese onomatopoeia falls into three types: 擬音語 (giongo, actual sounds), 擬態語 (gitaigo, states/conditions), and 擬声語 (giseigo, human/animal voices). Each type follows distinct patterns.

Manga & Anime Essential

Onomatopoeia appear everywhere in manga as sound effects and in anime dialogue. Learning them unlocks a deeper understanding of Japanese pop culture and makes reading manga in Japanese dramatically easier.

Katakana vs Hiragana

Sound-imitating words (giongo) are typically written in katakana (ドンドン), while state-describing words (gitaigo) use hiragana (ふわふわ). This visual cue tells you what type you're reading.

擬音語 (Giongo): Sound-Imitating Words

These words mimic real sounds from nature, objects, and the environment. They are usually written in katakana.

JapaneseRomajiSound / MeaningUsed For
ドンドンdondonBanging, knocking loudlyKnocking on doors, drumming
バタバタbatabataFlapping, clatteringRunning around busily, flapping wings
ガタガタgatagataRattling, clatteringShaking, rickety objects, shivering
ザーザーzaazaaPouring heavilyHeavy rain, running water
シトシトshitoshitoDrizzling softlyLight, gentle rain
ゴロゴロgorogoroRumbling, rollingThunder, rolling objects, lounging around
パチパチpachipachiCrackling, clappingApplause, fire crackling
カチカチkachikachiClicking, tick-tockClocks ticking, hard/frozen objects
ブーブーbuubuuBeep beep, oink oinkCar horns, pig sounds, complaining
ガチャガチャgachagachaClanging, janglingKeys rattling, machinery
パタパタpatapataPattering, flutteringLight footsteps, flapping
バリバリbaribariCrunching, rippingEating crunchy food, tearing paper
シーンshiinComplete silenceAwkward silence, empty rooms

擬態語 (Gitaigo): Mimetic / State Words

These words describe states, conditions, emotions, and textures: things that don't actually make sounds. They are usually written in hiragana.

JapaneseRomajiMeaning / FeelingUsed For
ドキドキdokidokiHeart poundingNervousness, excitement, love
ワクワクwakuwakuExcited, thrilledAnticipation, looking forward to something
ピカピカpikapikaSparkling, shinyClean surfaces, new objects, stars
ふわふわfuwafuwaFluffy, light, softClouds, cotton, soft bread, floating
キラキラkirakiraGlittering, twinklingStars, jewelry, sparkling eyes
ニコニコnikonikoSmiling happilyCheerful expression, beaming
イライラirairaIrritated, frustratedAnnoyance, impatience
ペラペラperaperaFluent, chatteringSpeaking a language fluently
グッタリguttariExhausted, wiltedExtreme tiredness, drooping plants
サラサラsarasaraSmooth, silkySmooth hair, flowing water
ザラザラzarazaraRough, coarseRough surfaces, sandpaper texture
ネバネバnebanebaSticky, gooeyNatto, sticky rice, adhesive
ツルツルtsurutsuruSlippery, smoothIce, bald heads, smooth noodles
モチモチmochimochiChewy, springyMochi, chewy bread, skin texture

All Japanese Onomatopoeia with Examples

Explore each onomatopoeia with its meaning, category, and example sentence used in everyday Japanese.

💓
ドキドキ
Heart pounding
dokidoki
擬態語 Gitaigo (State)

Example:

初めてのデートでドキドキしています。

Hajimete no deeto de dokidoki shite imasu.

My heart is pounding on my first date.

🤩
ワクワク
Excited, thrilled
wakuwaku
擬態語 Gitaigo (State)

Example:

明日の旅行にワクワクしています。

Ashita no ryokou ni wakuwaku shite imasu.

I'm excited about tomorrow's trip.

✨
ピカピカ
Sparkling, shiny
pikapika
擬態語 Gitaigo (State)

Example:

新しい車がピカピカに光っている。

Atarashii kuruma ga pikapika ni hikatte iru.

The new car is sparkling clean.

☁
ふわふわ
Fluffy, soft
fuwafuwa
擬態語 Gitaigo (State)

Example:

このパンケーキはふわふわで美味しい。

Kono pankeeki wa fuwafuwa de oishii.

These pancakes are fluffy and delicious.

🌟
キラキラ
Glittering, twinkling
kirakira
擬態語 Gitaigo (State)

Example:

夜空の星がキラキラ輝いている。

Yozora no hoshi ga kirakira kagayaite iru.

The stars are twinkling in the night sky.

🥁
ドンドン
Banging, rapidly
dondon
擬音語 Giongo (Sound)

Example:

誰かがドアをドンドン叩いている。

Dareka ga doa o dondon tataite iru.

Someone is banging on the door.

🌧
ザーザー
Heavy downpour
zaazaa
擬音語 Giongo (Sound)

Example:

外は雨がザーザー降っている。

Soto wa ame ga zaazaa futte iru.

It's raining heavily outside.

😊
ニコニコ
Smiling happily
nikoniko
擬態語 Gitaigo (State)

Example:

おばあちゃんはいつもニコニコしている。

Obaachan wa itsumo nikoniko shite iru.

Grandma is always smiling happily.

😤
イライラ
Irritated, frustrated
iraira
擬態語 Gitaigo (State)

Example:

電車が遅れてイライラする。

Densha ga okurete iraira suru.

I'm frustrated because the train is late.

⛈
ゴロゴロ
Rumbling, lounging around
gorogoro
擬音語 Giongo (Sound)

Example:

雷がゴロゴロ鳴っている。

Kaminari ga gorogoro natte iru.

Thunder is rumbling.

🗣
ペラペラ
Fluent (at a language)
perapera
擬態語 Gitaigo (State)

Example:

彼女は日本語がペラペラです。

Kanojo wa nihongo ga perapera desu.

She speaks Japanese fluently.

🏃
バタバタ
Flapping, bustling
batabata
擬音語 Giongo (Sound)

Example:

朝はいつもバタバタしている。

Asa wa itsumo batabata shite iru.

Mornings are always hectic.

💇
サラサラ
Smooth, silky
sarasara
擬態語 Gitaigo (State)

Example:

彼女の髪はサラサラだ。

Kanojo no kami wa sarasara da.

Her hair is silky smooth.

🫨
ガタガタ
Rattling, shaking
gatagata
擬音語 Giongo (Sound)

Example:

寒くて体がガタガタ震えている。

Samukute karada ga gatagata furuete iru.

I'm shivering because it's so cold.

🍡
モチモチ
Chewy, springy
mochimochi
擬態語 Gitaigo (State)

Example:

このお餅はモチモチしていて美味しい。

Kono omochi wa mochimochi shite ite oishii.

This mochi is chewy and delicious.

👏
パチパチ
Crackling, clapping
pachipachi
擬音語 Giongo (Sound)

Example:

観客がパチパチと拍手した。

Kankyaku ga pachipachi to hakushu shita.

The audience clapped.

😩
グッタリ
Exhausted, wilted
guttari
擬態語 Gitaigo (State)

Example:

暑さでグッタリしている。

Atsusa de guttari shite iru.

I'm exhausted from the heat.

🤫
シーン
Complete silence
shiin
擬音語 Giongo (Sound)

Example:

教室がシーンと静まり返った。

Kyoushitsu ga shiin to shizumarikaetta.

The classroom fell completely silent.

🧊
ツルツル
Slippery, smooth
tsurutsuru
擬態語 Gitaigo (State)

Example:

道がツルツルに凍っている。

Michi ga tsurutsuru ni kootte iru.

The road is frozen and slippery.

🫘
ネバネバ
Sticky, gooey
nebaneba
擬態語 Gitaigo (State)

Example:

納豆はネバネバしている。

Nattou wa nebaneba shite iru.

Natto is sticky.

🍘
バリバリ
Crunching, ripping
baribari
擬音語 Giongo (Sound)

Example:

せんべいをバリバリ食べる。

Senbei o baribari taberu.

Eating rice crackers with a crunch.

🪨
ザラザラ
Rough, coarse
zarazara
擬態語 Gitaigo (State)

Example:

この壁はザラザラしている。

Kono kabe wa zarazara shite iru.

This wall has a rough texture.

🧊
カチカチ
Rock hard, clicking
kachikachi
擬音語 Giongo (Sound)

Example:

パンがカチカチに固くなった。

Pan ga kachikachi ni kataku natta.

The bread became rock hard.

🌦
シトシト
Drizzling softly
shitoshito
擬音語 Giongo (Sound)

Example:

雨がシトシトと降っている。

Ame ga shitoshito to futte iru.

It's drizzling softly.

🔑
ガチャガチャ
Clanging, jangling
gachagacha
擬音語 Giongo (Sound)

Example:

鍵をガチャガチャいじっている。

Kagi o gachagacha ijitte iru.

Jingling keys around.

👣
パタパタ
Pattering, fluttering
patapata
擬音語 Giongo (Sound)

Example:

子供がパタパタと走ってきた。

Kodomo ga patapata to hashitte kita.

The child came running with little pattering steps.

Animal Sounds: Japanese vs English

One of the most fun parts of Japanese onomatopoeia is how different animal sounds are from English. Dogs don't go "woof"; they go ワンワン!

AnimalJapaneseRomajiEnglish
🐕 DogワンワンwanwanWoof woof / Bark
🐱 CatニャーニャーnyaanyaaMeow meow
🐦 BirdチュンチュンchunchunTweet tweet / Chirp
🐄 CowモーモーmoomooMoo moo
🐷 PigブーブーbuubuuOink oink
🐓 RoosterコケコッコーkokekokkooCock-a-doodle-doo
🐸 FrogケロケロkerokeroRibbit ribbit
🐭 MouseチューチューchuuchuuSqueak squeak
🐦‍⬛ CrowカーカーkaakaaCaw caw
🐝 BeeブンブンbunbunBuzz buzz

Popular Manga Sound Effects

These onomatopoeia are the ones you'll see most often in manga panels and anime scenes. Knowing them makes reading manga in Japanese much more immersive.

ドカン
Explosion / Boom
dokan
バキ
Crack / Hit
baki
ズバッ
Slash / Cut
zubat
ドサッ
Thud / Fall
dosat
ガシッ
Grab / Grip
gashit
バタン
Door slam
batan
ゴゴゴゴ
Menacing aura
gogogogo
ドドド
Rumbling approach
dododo
シュッ
Swift movement
shut
ボカッ
Punch / Smack
bokat
ヒュー
Whistling wind
hyuu
ザッ
Stepping / Landing
zat

Why Japanese Has So Many Onomatopoeia

A Sound-Symbolic Language

Japanese has over 4,500 onomatopoeia, far more than most languages. This richness comes from Japan's cultural emphasis on sensory experience and indirect expression. Rather than saying "it rained lightly," Japanese speakers say 雨がしとしと降っている (ame ga shitoshito futte iru), which paints a vivid picture through sound alone.

Unlike English, where onomatopoeia are mostly limited to actual sounds (bang, crash, meow), Japanese extends them to describe textures (ツルツル/smooth), emotions (ワクワク/excited), appearances (キラキラ/glittering), and physical states (グッタリ/exhausted). This makes Japanese uniquely expressive.

Patterns to Recognize

Doubling (ABAB pattern)

Most onomatopoeia repeat: ドキドキ, ワクワク, ピカピカ. The repetition creates a sense of continuation or intensity.

っ (small tsu) = sudden/sharp

Adding っ makes the sound abrupt: バタン (door slam), ガツン (hard hit), ドキッ (sudden heart skip).

〜り ending = gentle/slow

Words ending in り describe gentle actions: ゆっくり (slowly), のんびり (leisurely), ぐっすり (soundly asleep).

゛(dakuten) = heavier version

Adding voicing makes the sound heavier: サラサラ (light rustle) → ザラザラ (rough texture), コロコロ (light rolling) → ゴロゴロ (thunder/heavy rolling).

Tips for Learning Japanese Onomatopoeia

Read Manga in Japanese

Manga is the best natural source for onomatopoeia. Every panel has sound effects written as text. Start with slice-of-life manga for everyday onomatopoeia before moving to action series.

Learn in Pairs

Many onomatopoeia come in pairs: a soft version and a hard version. サラサラ (smooth) vs ザラザラ (rough), ニコニコ (smiling) vs ニヤニヤ (grinning slyly). Learning pairs doubles your vocabulary.

Listen to Native Speakers

Japanese speakers use onomatopoeia constantly in casual conversation. Watching variety shows, anime, and vlogs exposes you to how they're used naturally in context.

Use Them in Conversation

Even using a few onomatopoeia makes your Japanese sound more natural. Start with common ones like ドキドキ (nervous excitement), ワクワク (excited), and ペラペラ (fluent) in daily practice.

Frequently Asked Questions

What is Japanese onomatopoeia?

Japanese onomatopoeia (擬音語・擬態語) are words that represent sounds, states, emotions, and textures. Unlike English, where onomatopoeia mostly imitate sounds, Japanese extends them to describe feelings (ドキドキ/nervous), textures (ふわふわ/fluffy), and appearances (ピカピカ/shiny). Japanese has over 4,500 such words, making it one of the richest onomatopoeia systems in the world.

What is the difference between giongo and gitaigo?

Giongo (擬音語) imitate actual sounds, like ドンドン (banging) or ザーザー (heavy rain). Gitaigo (擬態語) describe states and conditions that don't make sounds, like ピカピカ (sparkling) or ふわふわ (fluffy). Giongo are usually written in katakana, while gitaigo are often in hiragana.

Why does Japanese have so many onomatopoeia?

Japanese culture emphasizes sensory experience and indirect expression. Onomatopoeia allow speakers to convey vivid sensory details efficiently. They're deeply embedded in the language, used in formal writing, casual speech, manga, anime, advertising, and even weather reports.

How are onomatopoeia used in manga?

Manga uses onomatopoeia extensively as visual sound effects drawn directly into panels. Action scenes use words like ドカン (explosion), バキ (crack/hit), and シーン (silence). Learning manga onomatopoeia makes reading Japanese comics much more immersive and enjoyable.

Do I need to learn onomatopoeia for the JLPT?

Yes! Onomatopoeia appear on the JLPT at all levels. N5-N4 tests include basic ones like ドキドキ, ワクワク, ふわふわ. N3-N1 tests include more advanced ones. They're especially common in the reading comprehension and listening sections.

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