〜んだってば / 〜ってば: Expresses strong, often impatient, insistence or assertion, used when the speaker feels they are not being heard or believed. It is equivalent to saying 'I told you...!' or 'I'm telling you...!' in an exasperated tone.

〜んだってば / 〜ってば

Expresses strong, often impatient, insistence or assertion, used when the speaker feels they are not being heard or believed. It is equivalent to saying 'I told you...!' or 'I'm telling you...!' in an exasperated tone.

N3 KMT6RoughCasualSentence Ending ParticleSpoken OnlyYouthCasual Explanation And AssertionGrammar

Verb [dictionary form] + んだってばPrimary

い-Adjective + んだってば

な-Adjective + なんだってば

Noun + なんだってば

Clause + ってば

You use this when you want to say something again. You might feel a little annoyed. It's like saying 'I told you!' in English.

もう、知らないんだってば！何度も聞かないでよ！

Jeez, I told you I don't know! Stop asking me over and over!

RoughNon PastNegativeSentence EndingEmphaticEmotions & Psychology Daily Life

昨日、彼に会ったんだってば。本当に信じてよ。

I'm telling you, I met him yesterday. Please believe me.

CasualPastAffirmativeSentence EndingEmphaticDaily Life Family & Relationships

このケーキ、すごく美味しいんだってば！一口食べてみて！

This cake is super delicious, I'm telling you! Just try a bite!

CasualNon PastAffirmativeSentence EndingEmphaticFood & Dining

違うんだってば！僕がやったんじゃない！

I said that's not it! I wasn't the one who did it!

RoughNon PastAffirmativeSentence EndingEmphaticEmotions & Psychology

お母さんってば、話は最後まで聞いてよ！

Mom, I'm talking to you! At least listen to what I have to say until the end!

CasualNon PastAffirmativeClause InitialRequestFamily & Relationships Daily Life

This phrase can sound like a child complaining. It is very strong. Be careful using it with adults. It might seem rude.

This is different from 〜んだよ. 〜んだよ shares information. It adds emphasis. 〜んだってば is much stronger. It means you feel ignored. Or you feel misunderstood. For example, 寒いんだよ means 'It's cold, you know'. 寒いんだってば means 'I said it's cold!' It shows you are annoyed.

Use this when you want to say something again very strongly. You might feel a little annoyed. It means, "I already told you this!" or "Listen to me!"

Contrasts with(1)

〜んだもん / 〜んだもの

You use this to give a reason. It is a casual way to say "because" or "but". Sometimes it sounds like a child's excuse.

Less formal alternatives(1)

〜んだ / 〜んです

This is a short way to say 〜のだ or 〜のです. You use it to explain something. It also gives a reason for what you say.

辞書形

This is the basic form of a verb. It is what you find in a dictionary. You use it to make other verb forms.

〜だ / 〜だった

This means 'is' or 'was'. It is the casual way to say 〜です and 〜でした.

Vocab

〜んだ / 〜んです

This is a short way to say 〜のだ or 〜のです. You use it to explain something. It also gives a reason for what you say.

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Dictionary

〜んだってば / 〜ってば

N3 KMT6RoughCasualSentence Ending ParticleSpoken OnlyYouthCasual Explanation And AssertionGrammar

Verb [dictionary form] + んだってばPrimary

い-Adjective + んだってば

な-Adjective + なんだってば

Noun + なんだってば

Clause + ってば

You use this when you want to say something again. You might feel a little annoyed. It's like saying 'I told you!' in English.

もう、知らないんだってば！何度も聞かないでよ！

Jeez, I told you I don't know! Stop asking me over and over!

RoughNon PastNegativeSentence EndingEmphaticEmotions & Psychology Daily Life

昨日、彼に会ったんだってば。本当に信じてよ。

I'm telling you, I met him yesterday. Please believe me.

CasualPastAffirmativeSentence EndingEmphaticDaily Life Family & Relationships

このケーキ、すごく美味しいんだってば！一口食べてみて！

This cake is super delicious, I'm telling you! Just try a bite!

CasualNon PastAffirmativeSentence EndingEmphaticFood & Dining

違うんだってば！僕がやったんじゃない！

I said that's not it! I wasn't the one who did it!

RoughNon PastAffirmativeSentence EndingEmphaticEmotions & Psychology

お母さんってば、話は最後まで聞いてよ！

Mom, I'm talking to you! At least listen to what I have to say until the end!

CasualNon PastAffirmativeClause InitialRequestFamily & Relationships Daily Life

This phrase can sound like a child complaining. It is very strong. Be careful using it with adults. It might seem rude.

Use this when you want to say something again very strongly. You might feel a little annoyed. It means, "I already told you this!" or "Listen to me!"

Contrasts with(1)

〜んだもん / 〜んだもの

You use this to give a reason. It is a casual way to say "because" or "but". Sometimes it sounds like a child's excuse.

Less formal alternatives(1)

〜んだ / 〜んです

This is a short way to say 〜のだ or 〜のです. You use it to explain something. It also gives a reason for what you say.

辞書形

This is the basic form of a verb. It is what you find in a dictionary. You use it to make other verb forms.

〜だ / 〜だった

This means 'is' or 'was'. It is the casual way to say 〜です and 〜でした.

Vocab

〜んだ / 〜んです

This is a short way to say 〜のだ or 〜のです. You use it to explain something. It also gives a reason for what you say.

Track your mastery

Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

〜んだってば / 〜ってば

Patterns5

Meaning

Examples5

Nuance1

Contrasts1

Discourse Function1

Compare with2

Contrasts with(1)

Less formal alternatives(1)

Prerequisites2

Building blocks1

Track your mastery

〜んだってば / 〜ってば

Patterns5

Meaning

Examples5

Nuance1

Contrasts1

Discourse Function1

Compare with2

Contrasts with(1)

Less formal alternatives(1)

Prerequisites2

Building blocks1

Track your mastery