How do you say "dangerous" in Japanese?

In Japanese, "dangerous" is 危険な (kiken na). It is a adjective pronounced "kee-keh-n nah".

Listen to the pronunciation:

Pronunciation

危険な is written in kanji and hiragana. Romanised as kiken na, it sounds roughly like "kee-keh-n nah" to an English ear.

Example sentence

あの道はとても危険です。

Ano michi wa totemo kiken desu.

That road is very dangerous.

Usage notes

Kiken na (危険な) is a na-adjective meaning dangerous or hazardous. Warning signs in Japan frequently use this word. The opposite is anzen na (safe).

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Questions about 危険な

How do you pronounce 危険な?

危険な is romanised as kiken na. Say it roughly like "kee-keh-n nah" in English. Each Japanese syllable has even weight, so keep the rhythm steady.

Is 危険な formal or casual?

危険な is a na-adjective or noun-adjective. It is neutral in register and fits naturally in both casual and polite sentences. Add na before a noun, or use desu for a polite predicate.

How is 危険な written in Japanese?

危険な is written using kanji and hiragana. Kanji characters carry the core meaning; any hiragana or katakana that follow show grammatical endings.

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.