Hello, I’m Kodak.
You will often hear Japanese characters shout:
Itai!
Ouch! / That hurts!
痛い (itai) is an adjective meaning “painful” or “it hurts.”
It can also describe emotional pain, a serious loss, a weak point, or—in modern slang—something so embarrassing or socially unaware that it is “painful to watch.”
痛い (itai) = painful; it hurts; ouch
頭が痛い = my head hurts / I have a headache
この出費は痛い = this expense really hurts
痛い人 = an embarrassing, cringe, or socially unaware person
痛車 (itasha) = a car decorated with anime or game characters
痛い痛い = “ouch, ouch” or “it hurts,” often repeated for emphasis or in child-directed speech
This article explains how one word developed from physical pain into several metaphorical and slang meanings.
What Does Itai (痛い) Mean?
Hiragana: いたい
Romaji: itai
Word type: i-adjective
Main meanings:
① physically painful; aching; sore
② “Ouch!” or “That hurts!”
③ emotionally painful or distressing
④ damaging, costly, or a serious blow
⑤ touching a weakness or sore point
⑥ embarrassing, cringe, or painful to watch in slang
The basic image is simple:
↓
Something hurts the heart, pride, position, or wallet
↓
Something is so embarrassing that watching it feels painful
The Core Image of Itai: Something Causes Pain or Damage
痛い is related to 痛む (itamu), “to hurt” or “to ache.” Historical dictionaries connect it with an older root expressing intense physical or mental suffering.
An unpleasant force reaches a vulnerable place
↓
You feel pain, suffering, damage, or embarrassment
↓
痛い describes the resulting painful state
This explains why Japanese uses 痛い for more than bodily pain. Money, criticism, failure, or public embarrassment can also hit a vulnerable point.
1. Itai for Physical Pain: “It Hurts”
The most common use of 痛い describes physical pain.
頭が痛い — my head hurts
歯が痛い — my tooth hurts
お腹が痛い — my stomach hurts
喉が痛い — my throat hurts
腰が痛い — my lower back hurts
足が痛い — my leg or foot hurts
頭が痛いです。
Atama ga itai desu.
My head hurts / I have a headache.
昨日から喉が痛い。
Kinō kara nodo ga itai.
My throat has hurt since yesterday.
歩くと膝が痛い。
Aruku to hiza ga itai.
My knee hurts when I walk.
The natural pattern is not “I am painful,” but “As for me, my head is painful.” The person is often omitted because the situation already makes it clear.
Useful Questions at a Clinic or Pharmacy
Where does it hurt?
ここが痛いです。
It hurts here.
いつから痛いですか？
Since when has it hurt?
どのくらい痛いですか？
How badly does it hurt?
動かすと痛いです。
It hurts when I move it.
These expressions help describe pain, but persistent or severe symptoms require appropriate medical evaluation rather than vocabulary alone.
2. Itai as an Exclamation: “Ouch!”
When something suddenly hurts, Japanese speakers may say 痛い！ by itself.
痛い！足を踏まないで！
Itai! Ashi o fumanaide!
Ouch! Don’t step on my foot!
痛っ！
Ita!
Ow!
It is common in manga and casual writing, but the full adjective remains 痛い.
What Does “Itai Itai” Mean?
痛い痛い (itai itai) is usually not a separate dictionary word. It is the adjective 痛い repeated.
Ouch, ouch! / It hurts, it hurts!
痛い痛い？
Does it hurt?
Often used gently with a small child.
痛い痛いしたの？
Did you hurt yourself?
Child-directed, family-style speech.
痛いの痛いの飛んでいけ: “Pain, Pain, Fly Away!”
A common phrase used to comfort a young child is:
Itai no itai no tonde ike!
Pain, pain, fly away!
An adult may rub or touch the hurt place gently, then pretend to send the pain flying away. It is a playful comforting charm, similar to kissing a minor injury better.
大丈夫。痛いの痛いの飛んでいけ！
Daijōbu. Itai no itai no tonde ike!
It’s okay. Pain, pain, fly away!
Do Not Confuse Itai Itai with Itai-itai Disease
イタイイタイ病 is a proper name for a serious pollution-related disease historically associated with cadmium exposure in the Jinzu River basin of Toyama Prefecture.
A repetition meaning “ouch, ouch” or child-directed “hurt hurt”
イタイイタイ病
Itai-itai disease, the proper name of a serious historical environmental health disaster
The disease name reflects the severe pain reported by patients. It should not be treated as a cute phrase or casual joke.
3. Itai for Emotional Pain
痛い can describe something emotionally distressing or difficult to accept.
その言葉は胸に痛かった。
Sono kotoba wa mune ni itakatta.
Those words hurt me deeply.
この失敗を思い出すのは痛い。
Kono shippai o omoidasu no wa itai.
Remembering this failure is painful.
More commonly, Japanese uses related expressions such as 胸が痛む (“my heart aches”) or 心が痛い (“my heart hurts”).
被害者の話を聞くと胸が痛む。
Higaisha no hanashi o kiku to mune ga itamu.
My heart aches when I hear the victim’s story.
Related guide: How to Express Feelings in Japanese
4. Itai for Financial Loss, Damage, or a Serious Blow
A cost, mistake, injury, or loss can be 痛い when it seriously damages your position.
This expense really hurts.
主力選手の欠場は痛い。
Losing a key player is a serious blow.
このミスは痛い。
This mistake is costly / This one really hurts.
一万円の損失は痛かった。
The 10,000-yen loss was painful.
給料日前にこの出費は痛い。
Kyūryōbi mae ni kono shuppi wa itai.
This expense really hurts right before payday.
試合の終盤で一点を失ったのは痛かった。
Shiai no shūban de itten o ushinatta no wa itakatta.
Conceding a point near the end of the game was costly.
5. Itai for a Weak Point or an Uncomfortable Truth
Japanese also uses 痛い for a vulnerable subject that is uncomfortable to hear about.
to hit a sore point / point out someone’s weakness
耳が痛い
painful to hear because the criticism is true
痛い質問
a difficult or uncomfortable question
君は痛いところを突くね。
Kimi wa itai tokoro o tsuku ne.
You really hit a sore point.
もっと計画的に行動しろと言われると耳が痛い。
Motto keikakuteki ni kōdō shiro to iwareru to mimi ga itai.
It is painful to hear that I should act more systematically, because it is true.
6. Itai as Japanese Slang: “Cringe” or “Painful to Watch”
In slang, 痛い describes behavior that appears boastful, self-important, socially unaware, age-inappropriate, or badly out of place.
a cringe, embarrassing, or socially unaware person
痛い発言
an embarrassing or try-hard comment
痛いファッション
an outfit seen as embarrassingly inappropriate or overly try-hard
見ていて痛い
painful or embarrassing to watch
自慢ばかりするのはちょっと痛い。
Jiman bakari suru no wa chotto itai.
Constantly bragging is kind of cringe.
その決めぜりふ、少し痛くない？
Sono kimezerifu, sukoshi itakunai?
Isn’t that catchphrase a little embarrassing?
昔の投稿を読むと、痛くて見ていられない。
Mukashi no tōkō o yomu to, itakute mite irarenai.
My old posts are so cringe that I can’t bear to look at them.
Slang 痛い often judges the person as lacking self-awareness or acting in a way that does not fit the situation. English “cringe” can describe a wider range of awkward reactions.
Why Calling Someone “Itai” Can Be Hurtful
あの人は痛い judges the whole person rather than one action. It can sound dismissive and insulting.
あの人、痛い。
That person is cringe.
More specific:
あの発言は少し自慢っぽく聞こえた。
That comment sounded a little boastful.
More constructive:
その冗談はこの場では誤解されるかもしれない。
That joke may be misunderstood in this setting.
What Is an Itasha (痛車)?
痛車 (itasha) is a slang term for a car decorated with images, decals, or printed wraps featuring anime, manga, game, or other fictional characters.
embarrassing, over-the-top, or “painful” in slang
＋
車 (sha / kuruma)
car or vehicle
＝
痛車 (itasha)
an anime- or game-character-decorated car
イベント会場にたくさんの痛車が集まった。
Ibento kaijō ni takusan no itasha ga atsumatta.
Many itasha gathered at the event venue.
彼は好きなアニメのキャラクターで車を痛車にした。
Kare wa sukina anime no kyarakutā de kuruma o itasha ni shita.
He turned his car into an itasha featuring his favorite anime character.
Related Words: Itachari and Itabag
a bicycle decorated with anime or game characters
痛バ / 痛バッグ (itaba / itabaggu)
a bag covered with badges, key chains, or merchandise featuring a favorite character
These terms are often used by fans themselves and do not always express serious criticism. The playful, self-aware use can differ from calling an unwilling person 痛い.
Itai vs Kurushii vs Tsurai: Different Kinds of Suffering
physical pain; something hurts; metaphorical damage or cringe
苦しい (kurushii)
painful, difficult, breathless, oppressive, or hard to endure
つらい (tsurai)
emotionally or physically hard, painful, or difficult to bear
傷が痛い。
The wound hurts.
息が苦しい。
It is hard to breathe.
友達と別れるのはつらい。
It is painful to say goodbye to a friend.
痛い focuses on pain at a vulnerable point.
苦しい focuses on distress or pressure.
つらい focuses on something hard to endure.
Itai vs Itamu vs Itagaru vs Itameru
痛い (Itai): “It Hurts”
痛い is an adjective describing a painful state.
腰が痛い。
My lower back hurts.
痛む (Itamu): “To Hurt” or “To Ache”
痛む is a verb describing pain occurring or continuing.
傷がまだ痛む。
Kizu ga mada itamu.
The wound still aches.
痛がる (Itagaru): “To Show Signs of Pain”
痛がる describes someone visibly or audibly showing that they are in pain.
子どもが足を痛がっている。
Kodomo ga ashi o itagatte iru.
The child is showing that their leg hurts.
痛める (Itameru): “To Injure” or “To Hurt” Something
痛める is a transitive verb meaning to injure a body part or cause emotional suffering.
運動中に肩を痛めた。
Undōchū ni kata o itameta.
I injured my shoulder while exercising.
My leg hurts.
足が痛む。
My leg aches.
子どもが足を痛がっている。
The child is showing that their leg hurts.
足を痛めた。
I injured my leg.
How to Pronounce Itai
Hiragana: いたい
Katakana: イタイ
Romaji: itai
Mora: い・た・い (3 morae)
Pronounce all three morae: i-ta-i. Do not merge the final vowels into the English word “eye.” The first and final い are separate morae.
How to Write Itai in Kanji, Hiragana, and Katakana
Hiragana: いたい
Katakana for emphasis or slang style: イタイ
痛い is the normal spelling. いたい may appear in children’s writing or when kanji is avoided. イタイ often emphasizes a shouted exclamation or the slang meaning.
Grammar: How to Conjugate Itai
Because 痛い is an i-adjective, it follows regular i-adjective conjugation.
hurts / is painful
Polite present: 痛いです
hurts / is painful
Past: 痛かった
hurt / was painful
Negative: 痛くない
does not hurt / is not painful
Past negative: 痛くなかった
did not hurt / was not painful
Adverbial/connecting form: 痛くて
painful and… / because it hurts…
Become painful: 痛くなる
to start hurting / become painful
昨日は痛かったけど、今日は痛くない。
Kinō wa itakatta kedo, kyō wa itakunai.
It hurt yesterday, but it does not hurt today.
痛くて眠れなかった。
Itakute nemurenakatta.
It hurt so much that I could not sleep.
夕方になると腰が痛くなる。
Yūgata ni naru to koshi ga itaku naru.
My lower back starts hurting in the evening.
Other Useful Expressions with Itai
to have a painful or bitter experience
痛くもかゆくもない
to be completely unaffected; it does not bother me at all
痛し痒し
a dilemma in which either choice has disadvantages
痛手を受ける
to suffer serious damage or a heavy blow
頭が痛い問題
a troublesome problem / a headache
準備をしないと痛い目に遭うよ。
Junbi o shinai to itai me ni au yo.
If you do not prepare, you will learn the hard way.
そんな批判は私には痛くもかゆくもない。
Sonna hihan wa watashi ni wa itaku mo kayuku mo nai.
That kind of criticism does not bother me at all.
Homophones and Similar-Looking Words
Several expressions may sound or look similar to いたい.
painful; it hurts
居たい (itai)
want to stay / want to be somewhere
From 居る + ～たい
遺体 (itai)
a deceased person’s body or remains
会いたい (aitai)
want to meet / want to see someone
Not the word 痛い
ここにいたい。
Koko ni itai.
I want to stay here.
ここが痛い。
Koko ga itai.
It hurts here.
ここにいたい uses に and means “I want to stay here.”
ここが痛い uses が and means “It hurts here.”
How Itai Is Used in Anime, Manga, and Games
Ow! What are you doing?
痛っ！急に押すな！
Ow! Don’t push me suddenly!
まだ傷が痛む。
The wound still aches.
その設定、ちょっと痛くない？
Isn’t that character setup a little cringe?
見ているこっちが痛い。
It is painful for us to watch.
この敗北は痛いな。
This defeat really hurts.
痛いの痛いの飛んでいけ！
Pain, pain, fly away!
A punch, fall, wound, or sore body part points to physical pain. A boastful speech, dramatic pose, awkward fashion, or embarrassing self-image points to slang.
Common Beginner Mistakes with Itai
Mistake 1: Translating Itai Only as “Ouch”
Ouch!
足が痛い。
My leg hurts.
この出費は痛い。
This expense really hurts.
その発言は痛い。
That comment is cringe.
Mistake 2: Saying 私は痛い for “I Am in Pain”
私は痛い can sound as though “I myself am painful,” and in slang it may even suggest “I am cringe.” Name the body part or say where it hurts.
頭が痛い。
My head hurts.
Natural:
ここが痛い。
It hurts here.
Natural:
体中が痛い。
My whole body aches.
Mistake 3: Calling a Person Itai Too Casually
The slang label can be insulting. Describe the specific behavior if you need to criticize something.
Mistake 4: Confusing 痛い and 痛む
痛い describes the state. 痛む is a verb meaning “to hurt” or “to ache.”
Mistake 5: Assuming Itasha Means a Broken Car
痛車 refers to character decoration, not physical damage to the vehicle.
Mistake 6: Treating Itai-itai Disease as Casual Vocabulary
イタイイタイ病 is the name of a serious environmental disease and historical pollution disaster. It is different from playful repetition such as 痛い痛い.
Natural Example Sentences with Itai
転んで膝が痛い。
Koronde hiza ga itai.
I fell, and my knee hurts.
虫歯で歯が痛い。
Mushiba de ha ga itai.
My tooth hurts because of a cavity.
パソコンを使いすぎて目が痛い。
Pasokon o tsukaisugite me ga itai.
My eyes hurt from using the computer too much.
この靴は歩くと足が痛くなる。
Kono kutsu wa aruku to ashi ga itaku naru.
These shoes make my feet hurt when I walk.
注射は思ったほど痛くなかった。
Chūsha wa omotta hodo itakunakatta.
The injection did not hurt as much as I expected.
痛くて腕を上げられない。
Itakute ude o agerarenai.
It hurts too much to raise my arm.
痛い！急に引っ張らないで。
Itai! Kyū ni hipparanaide.
Ow! Don’t pull me suddenly.
その一言はかなり痛かった。
Sono hitokoto wa kanari itakatta.
That comment really hurt.
今月この出費は痛い。
Kongetsu kono shuppi wa itai.
This expense really hurts this month.
エースのけがはチームにとって痛い。
Ēsu no kega wa chīmu ni totte itai.
The ace player’s injury is a serious blow to the team.
その質問は痛いところを突いている。
Sono shitsumon wa itai tokoro o tsuite iru.
That question hits a sore point.
運動不足だと言われると耳が痛い。
Undōbusoku da to iwareru to mimi ga itai.
It is painful to hear that I do not exercise enough, because it is true.
昔の自分の写真は少し痛い。
Mukashi no jibun no shashin wa sukoshi itai.
My old photos are a little cringe.
自分を天才だと言い続けるのは痛い。
Jibun o tensai da to iitsuzukeru no wa itai.
Continuing to call yourself a genius is cringe.
その服が悪いというより、着る場面が少し痛い。
Sono fuku ga warui to iu yori, kiru bamen ga sukoshi itai.
It is not the outfit itself so much as wearing it in that situation that feels inappropriate.
イベントで有名な痛車を見た。
Ibento de yūmei na itasha o mita.
I saw a famous itasha at the event.
子どもが転んだので、「痛いの痛いの飛んでいけ」と言った。
Kodomo ga koronda node, “itai no itai no tonde ike” to itta.
The child fell, so I said, “Pain, pain, fly away.”
まだ痛むなら、無理に動かさないで。
Mada itamu nara, muri ni ugokasanaide.
If it still hurts, do not force yourself to move it.
犬が足を痛がっている。
Inu ga ashi o itagatte iru.
The dog is showing signs that its leg hurts.
昨日、運動中に腰を痛めた。
Kinō, undōchū ni koshi o itameta.
I injured my lower back while exercising yesterday.
FAQ About Itai
What does itai mean in English?
Itai (痛い) means “painful,” “it hurts,” or “ouch.” It can also describe emotional pain, financial damage, a serious setback, or something embarrassing and cringe in slang.
Does itai mean “ouch”?
Yes. When shouted by itself, 痛い！ often means “Ouch!” or “That hurts!” Grammatically, however, it is an adjective meaning “painful.”
What does itai itai mean?
痛い痛い is usually a repetition meaning “ouch, ouch” or “it hurts.” It is also used gently in child-directed speech. It is not normally a separate vocabulary word.
What does itai mean in Japanese slang?
Slang 痛い describes someone or something that is embarrassing, try-hard, socially unaware, age-inappropriate, or painful to watch. English “cringe” is often a useful translation.
Is calling someone itai rude?
Yes, it can be insulting because it dismisses the person as embarrassing or lacking self-awareness. Describing the specific behavior is usually kinder.
What is an itasha?
痛車 (itasha) is a car decorated with images or decals of anime, manga, game, or other fictional characters.
What does itai no itai no tonde ike mean?
痛いの痛いの飛んでいけ literally means “Pain, pain, fly away.” It is a comforting phrase commonly said to a young child after a minor injury.
What is the difference between itai and itamu?
痛い is an adjective describing something as painful. 痛む is a verb meaning “to hurt” or “to ache.”
What is the difference between itai and tsurai?
痛い focuses on pain or damage at a vulnerable point. つらい describes something physically or emotionally difficult to endure.
How do you say “my head hurts” in Japanese?
Say 頭が痛い (atama ga itai). Japanese commonly uses the pattern [body part] + が + 痛い.
How do you pronounce itai?
It is pronounced in three morae: い・た・い (i-ta-i). Keep the final i audible rather than merging the last two vowels into one English sound.
Is Itai-itai disease the same as saying itai itai?
No. イタイイタイ病 is the proper name of a serious pollution-related disease historically caused by chronic cadmium exposure. 痛い痛い is ordinary repetition meaning “ouch, ouch.”
Summary: The Meaning and Slang Usage of Itai
痛い means painful, it hurts, or ouch.
● Basic grammar
Use [body part] + が + 痛い: 頭が痛い, 歯が痛い, お腹が痛い.
● Repetition
痛い痛い means “ouch, ouch” or “it hurts,” often for emphasis or in child-directed speech.
● Metaphorical meanings
痛い can describe emotional pain, financial damage, a costly mistake, a serious loss, or a weak point.
● Slang meaning
A person, statement, outfit, or behavior can be 痛い when it is embarrassing, try-hard, inappropriate, or painful to watch.
● Pain, pain, fly away
痛いの痛いの飛んでいけ is a comforting phrase for a child with a minor injury.
● Itasha
痛車 is a car decorated with anime, manga, or game characters.
● Writing
Kanji: 痛い
Hiragana: いたい
Romaji: itai
Emphatic or slang-style katakana: イタイ
What is being hurt?
A body part gives you physical pain. Money or a lost opportunity gives you damage. A true criticism hits a sore point. Awkward behavior creates the slang feeling of something being painful to watch.
References
- Kotobank: 痛い — physical, emotional, damaging, historical, and slang meanings.
- Kotobank Progressive Japanese–English Dictionary: 痛い — English translations and body-part examples.
- Kotobank: 痛む.
- Kotobank: 痛がる.
- Kotobank: 痛める.
- Kotobank: 痛いの痛いの飛んでいけ.
- Kotobank: 痛車.
- Ministry of the Environment, Japan: Itai-itai disease.
What Does Itai (痛い) Mean in Japanese? Pain, "Cringe," Itai Itai & Itasha