〜だ: This word means 'is' or 'am'. You use it to say what something is. It is a casual way to say it.

Dictionary

〜だ

This word means 'is' or 'am'. You use it to say what something is. It is a casual way to say it.

N5 KMT2CasualStandardCopulaMixedMasculineRough Copula And ConfirmationGrammar

Noun + だPrimary

な-Adjective + だ

Clause + の + だ

This word means 'is' or 'am'. You use it to say what something is. It is a casual way to say it.

これは俺の本だ。

This is my book.

CasualNon PastAffirmativeSentence EndingDeclarativeDaily Life

昨日の彼はとても静かだった。

He was very quiet yesterday.

NeutralPastAffirmativeSentence EndingDeclarativeEmotions & Psychology

冗談じゃないんだぞ！これは真剣な話だ。

This isn't a joke! This is a serious conversation.

RoughNon PastNegativeSentence EndingEmphaticEmotions & Psychology

問題は経験が足りないことだから、もっと練習が必要だ。

The problem is a lack of experience, so more practice is necessary.

NeutralNon PastAffirmativeMid SentenceDeclarativeWork & Career Education

地球が丸いというのは、今や常識だ。

The fact that the Earth is round is now common knowledge.

FormalNon PastAffirmativeSentence EndingDeclarativeScience & Math

This word sounds strong. Men use it often. It makes speech sound direct. Women use it less. They might use 'desu' or 'yo' instead.

This is different from です. です is polite. だ is not polite. Using だ can sound rude. It is also different from だろう. だろう means 'probably is'. だ is a direct statement. It says 'it is' for sure.

Don't use this when you talk about 'i-adjectives' or verbs. For example, you can't say 'takai da' (expensive is). You also can't say 'taberu da' (eat is).

Contrasts with(2)

〜じゃねえ

This means 'is not'. It is a strong, informal way to say 'is not'. Men often use it.

〜だよな

You use this to say something you think is true. You also want to check if others agree with you. It's like saying '... right?' or '... isn't it?'

Less formal alternatives(2)

〜だろう

This is how you say you are guessing something. It means 'probably' or 'I think so'. You are not 100% sure.

です

This word means 'is' or 'am' or 'are'. You use it at the end of a sentence. It makes your sentence polite.

Dialect / slang variants(1)

〜や

This is like 'da' or 'dayo' in standard Japanese. You use it to state a fact or declare something.

〜です / 〜でした

This word means 'is' or 'am'. It connects two things. It makes your sentence polite.

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Dictionary

〜だ

This word means 'is' or 'am'. You use it to say what something is. It is a casual way to say it.

N5 KMT2CasualStandardCopulaMixedMasculineRough Copula And ConfirmationGrammar

Noun + だPrimary

な-Adjective + だ

Clause + の + だ

This word means 'is' or 'am'. You use it to say what something is. It is a casual way to say it.

これは俺の本だ。

This is my book.

CasualNon PastAffirmativeSentence EndingDeclarativeDaily Life

昨日の彼はとても静かだった。

He was very quiet yesterday.

NeutralPastAffirmativeSentence EndingDeclarativeEmotions & Psychology

冗談じゃないんだぞ！これは真剣な話だ。

This isn't a joke! This is a serious conversation.

RoughNon PastNegativeSentence EndingEmphaticEmotions & Psychology

問題は経験が足りないことだから、もっと練習が必要だ。

The problem is a lack of experience, so more practice is necessary.

NeutralNon PastAffirmativeMid SentenceDeclarativeWork & Career Education

地球が丸いというのは、今や常識だ。

The fact that the Earth is round is now common knowledge.

FormalNon PastAffirmativeSentence EndingDeclarativeScience & Math

This word sounds strong. Men use it often. It makes speech sound direct. Women use it less. They might use 'desu' or 'yo' instead.

Don't use this when you talk about 'i-adjectives' or verbs. For example, you can't say 'takai da' (expensive is). You also can't say 'taberu da' (eat is).

Contrasts with(2)

〜じゃねえ

This means 'is not'. It is a strong, informal way to say 'is not'. Men often use it.

〜だよな

You use this to say something you think is true. You also want to check if others agree with you. It's like saying '... right?' or '... isn't it?'

Less formal alternatives(2)

〜だろう

This is how you say you are guessing something. It means 'probably' or 'I think so'. You are not 100% sure.

です

This word means 'is' or 'am' or 'are'. You use it at the end of a sentence. It makes your sentence polite.

Dialect / slang variants(1)

〜や

This is like 'da' or 'dayo' in standard Japanese. You use it to state a fact or declare something.

〜です / 〜でした

This word means 'is' or 'am'. It connects two things. It makes your sentence polite.

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.

〜だ

Patterns3

Meaning

Examples5

Nuance1

Contrasts1

Restrictions1

Compare with5

Contrasts with(2)

Less formal alternatives(2)

Dialect / slang variants(1)

Prerequisites1

Track your mastery

〜だ

Patterns3

Meaning

Examples5

Nuance1

Contrasts1

Restrictions1

Compare with5

Contrasts with(2)

Less formal alternatives(2)

Dialect / slang variants(1)

Prerequisites1

Track your mastery