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Japanese vocabulary · Beginner

How do you say "dull" in Japanese?

鈍い

nibui

Adjective Kanji

In Japanese, "dull" is 鈍い (nibui).

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Pronunciation

Ni-bu-i, three syllables, said flatly and without much stress, matching the lackluster meaning of dull.

Writing and usage

鈍い is written using kanji. It's a adjective, and this word is also taught inside the Noun Town language learning game, where it appears in interactive lessons alongside hundreds of other everyday words.

Example sentence

古いナイフは鈍い刃があった。

furui naifu ha nibui ha gaatta.

The old knife had a dull edge.

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How to remember 鈍い

Nibui sounds like 'nee, boo, ee' — a weak, unenthusiastic boo for something dull and unexciting.

Related words

Browse all Japanese words in the glossary.

Questions about 鈍い

How do you pronounce 鈍い?

Ni-bu-i, three syllables, said flatly and without much stress, matching the lackluster meaning of dull.

Is 鈍い formal or casual?

鈍い is a neutral, everyday word that works in both casual and polite speech. The level of formality comes from the sentence structure around it, not from the word itself.

How is 鈍い written in Japanese?

鈍い is written using kanji. Romanised, it reads as nibui.

Where can I practice Japanese words for free?

You can play free Japanese minigames in your browser on the Noun Town online games page, with no sign-up needed. Every word in the Japanese glossary also has native audio and an example sentence you can revisit any time.

"Dull" in other languages

Curated by Jack Ratcliffe

This word is part of the vocabulary taught in the Japanese language learning game Noun Town, where words are introduced through play rather than memorisation. Want to play the full game? Get Noun Town on Steam.

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