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密
“secret / dense” in Japanese is 密, read mitsu (みつ). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 秘密 (secret).
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What does 密 mean?
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これは秘密だよ。
これはひみつだよ。This is a secret.
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Updated: 2026-08-28