Japanese Onomatopoeia: Giongo & Gitaigo Complete Guide
Japanese onomatopoeia is split into two categories: 擬音語（ぎおんご） — words that imitate real-world sounds like rain or animal calls — and 擬態語（ぎたいご） — words that describe manner, texture, emotion, or appearance without any actual sound. Japanese has thousands of these words, many more than English, and they appear constantly in everyday speech, manga, and social media. Learning them dramatically improves your reading comprehension and makes your Japanese sound natural.
Covers: animal sounds (giongo), nature sounds, emotions and feelings (gitaigo), physical textures, motion words, grammar patterns, and common mistakes
English has onomatopoeia too ("buzz", "splash", "crash"), but Japanese goes far further with gitaigo—words for feelings, textures, and states that have no corresponding sound at all. This is what makes Japanese onomatopoeia uniquely rich.
Type
Japanese
Definition
Examples
Giongo
擬音語
Imitates actual sounds in the world
ワンワン、ザーザー、ゴロゴロ
Gitaigo
擬態語
Describes manner, texture, feeling, or appearance (no real sound)
ドキドキ、もやもや、ふわふわ
Gijougo
擬情語
Sub-type of gitaigo: specifically describes emotional states
ワクワク、イライラ、がっかり
Animal Sounds (Giongo)
Japanese animal sound words differ significantly from English equivalents. These are essential for children's books, manga, and everyday conversation.
Animal
Japanese Sound
Reading
English Equivalent
Dog
ワンワン
wan wan
woof woof
Cat
ニャーニャー
nyaa nyaa
meow meow
Cow
モーモー
moo moo
moo moo
Rooster
コケコッコー
ko-ke-kok-koo
cock-a-doodle-doo
Sparrow
チュンチュン
chun chun
tweet tweet
Duck
ガーガー
gaa gaa
quack quack
Pig
ブーブー
buu buu
oink oink
Frog
ケロケロ
kero kero
ribbit ribbit
Nature & Environment Sounds (Giongo)
Word
Reading
Meaning
Example context
ザーザー
zaa zaa
Heavy rain pouring down
雨がザーザー降っている
パラパラ
para para
Light rain falling in drops
パラパラと雨が降り始めた
ゴロゴロ
goro goro
Thunder rolling; also: cat purring; also: lying around lazily
These gitaigo words describe internal emotional states. They are extremely common in daily conversation, social media, and manga.
Word
Reading
Feeling / Nuance
Positive / Negative
ドキドキ
doki doki
Heart pounding — excitement, nervousness, or romantic feeling
Both
ワクワク
waku waku
Excited anticipation — purely positive, looking forward to something
Positive
イライラ
ira ira
Irritated, frustrated, on edge
Negative
キラキラ
kira kira
Eyes sparkling with wonder or admiration; glittering
Positive
ふわふわ
fuwa fuwa
Dreamy, floaty feeling; also physically fluffy/soft
Positive
もやもや
moya moya
Foggy, unresolved, vague sense of unease
Negative
がっかり
gakkari
Disappointed, let down
Negative
そわそわ
sowa sowa
Restless, fidgety, can't settle down
Negative/Neutral
ドキドキ vs ワクワク: both describe anticipation, but ドキドキ can tip into nervousness (a date, an exam), while ワクワク is purely excited and carefree (a holiday, a new game).
Physical Textures (Gitaigo)
Word
Reading
Texture / Feel
Example
ぬるぬる
nuru nuru
Slimy, slippery (unpleasant)
魚がぬるぬるしている
ふわふわ
fuwa fuwa
Fluffy, soft, airy
ふわふわのパン
もちもち
mochi mochi
Chewy, elastic, pleasantly springy
もちもちの食感
さらさら
sara sara
Smooth, silky, fine-grained
さらさらの髪
がちがち
gachi gachi
Rock hard, stiff, rigid
体ががちがちに固まった
ベタベタ
beta beta
Sticky, clingy (often unpleasant)
手がベタベタする
カリカリ
kari kari
Crispy, crunchy
カリカリに焼いたベーコン
トゲトゲ
toge toge
Spiky, prickly (physical or emotional)
トゲトゲした態度
Motion Words (Gitaigo)
Word
Reading
Motion / Manner
Example
ぐるぐる
guru guru
Spinning around repeatedly, going in circles
頭がぐるぐるする
ちらちら
chira chira
Flickering; also: glancing repeatedly
炎がちらちら燃える
ぽたぽた
pota pota
Dripping slowly, drop by drop
水がぽたぽた落ちる
ぱらぱら
para para
Pages flipping; scattered; sparse
本をぱらぱらめくる
くるくる
kuru kuru
Spinning lightly, twirling (gentler than ぐるぐる)
くるくる回る
うろうろ
uro uro
Wandering aimlessly, pacing around
うろうろしないで！
Grammar: How to Use Onomatopoeia in Sentences
Japanese onomatopoeia slots into sentences in several ways. The most common patterns:
Pattern
Example
Translation
Use
Adverb (before verb)
ドキドキしている
My heart is pounding
Describes an ongoing state
〜した + noun
ドキドキした気持ち
A heart-pounding feeling
Modifies a noun (past-tense adjective)
〜の + noun
ふわふわのパン
Fluffy bread
Modifies a noun with の particle
〜する (verb)
イライラする
To feel irritated
Combines with する to make a verb
〜と (quotation particle)
ザーザーと雨が降る
Rain falls heavily
と marks the onomatopoeia as a manner adverb
See also: JLPT N5 Grammar Guide for how adverbs and the と particle work in Japanese grammar.
5 Common Mistakes with Japanese Onomatopoeia
Using giongo for things with no sound.もやもや (vague unease) and ふわふわ (fluffy feeling) are gitaigo — they describe states, not sounds. Saying "I heard a もやもや feeling" makes no sense. Use these as adverbs or adjectives describing perception, not sound.
Forgetting to double the syllable. Most onomatopoeia are reduplicated: ドキ alone is not standard; ドキドキ is the correct form. Always check the standard doubled form before using a word, as the undoubled version can sound wrong or have a different nuance.
Mixing up vowel length.ピカ (single flash) and ピカピカ (continuously sparkling/shiny) are different. Long vowels and doubled consonants change meaning. ザー vs パラ distinguish heavy vs light rain — precision matters.
Using English-equivalent animal sounds. Japanese animals do not make English sounds. A cat in Japan says ニャー, not "meow". Using English animal sounds in Japanese conversation will confuse native speakers and breaks immersion in Japanese reading and writing contexts.
Forgetting の when linking onomatopoeia to a noun. You need the の particle before a noun: ドキドキの気持ち (heart-pounding feeling), not ドキドキ気持ち. The の linker is required to use these words as noun modifiers without した.
FAQ: Japanese Onomatopoeia
What is the difference between giongo and gitaigo?
擬音語 (giongo) imitates real-world sounds — animal calls, rain, thunder, mechanical noises. 擬態語 (gitaigo) describes manner, texture, feeling, or appearance without any actual sound involved. For example, ザーザー (heavy rain) is giongo, while もやもや (a foggy, unresolved feeling) is gitaigo. Japanese has an unusually large gitaigo vocabulary compared to other languages.
Why is most Japanese onomatopoeia doubled?
Reduplication (repeating a syllable) intensifies or sustains the meaning. ピカ means a single flash; ピカピカ means something that keeps sparkling. ドキ is one heartbeat; ドキドキ is the continuous pounding feeling of excitement or nervousness. Not doubling often changes the word's meaning or makes it sound incomplete. Always check whether a word is doubled in its standard form.
How do you use onomatopoeia grammatically in a sentence?
Japanese onomatopoeia is very flexible. Most can be used as adverbs before a verb (ドキドキしている = heart is pounding). Adding した makes them past-tense adjective modifiers (ドキドキした気持ち). Before a noun, use the の particle (ふわふわのパン = fluffy bread). Some combine with する to make a verb (イライラする = to feel irritated).
Do animals make the same sounds in Japanese as in English?
No — animal sounds vary by language because each culture interprets them differently. A dog says ワンワン in Japanese, not "woof". A cat says ニャーニャー, not "meow". A frog says ケロケロ, not "ribbit". A rooster says コケコッコー. Learning the Japanese versions matters for reading children's books, manga, and understanding native expressions.
What does ドキドキ mean and when do you use it?
ドキドキ describes the feeling of a heart pounding fast — used for both excitement and nervousness. You can use it for anticipating something fun, a scary situation, or for romantic feelings. It is one of the most common gitaigo words in everyday Japanese conversation, manga, and social media captions.
What is the difference between ドキドキ and ワクワク?
Both describe excited anticipation but with different nuances. ドキドキ (heart pounding) covers excitement mixed with nervousness — it can lean anxious or romantic. ワクワク (excited anticipation) is purely positive — looking forward to something fun with no anxiety. You might feel ワクワク before a theme park trip, but ドキドキ before a confession or a big exam.
The YoruLearn app drills giongo and gitaigo through spaced-repetition flashcards and fill-in-the-blank reading practice, helping you internalize words like ドキドキ, ワクワク, and もやもや so they feel natural in context.
