極秘(ごくひ)

ごくひ
adjective-na
top secret, strictly confidential
1. top secret, strictly confidential
The highest level of secrecy. Used for information, documents, plans, or projects that must not be disclosed under any circumstances. Stronger than 秘密 (secret).
この情報(じょうほう)は極秘(ごくひ)だ。
This information is top secret.
極秘(ごくひ)の会議(かいぎ)が行(おこな)われた。
A top-secret meeting was held.
新製品(しんせいひん)の開発(かいはつ)は極秘(ごくひ)のプロジェクトとして進(すす)められていた。
The development of the new product was being carried out as a top-secret project.

FORMS:

  • Modifier: 極秘(ごくひ)の + noun (top-secret ~)
  • Predicate: 極秘(ごくひ)だ
  • Adverbial: 極秘(ごくひ)に / 極秘(ごくひ)で (in secret, confidentially)

ETYMOLOGY:
極(ごく) (extreme, utmost) + 秘(ひ) (secret). Literally "extremely secret."

USAGE:
Often used as a noun modifier with の: 極秘(ごくひ)の書類(しょるい) (top-secret documents). Also appears as a stamp or label on documents: 極秘(ごくひ) (CONFIDENTIAL / TOP SECRET). Frequently used in business, government, and military contexts.

COMMON COLLOCATIONS:

  • 極秘(ごくひ)情報(じょうほう): top-secret information
  • 極秘(ごくひ)資料(しりょう): classified documents
  • 極秘(ごくひ)に進(すす)める: to carry out in strict secrecy
  • 極秘(ごくひ)扱(あつか)い: classified treatment

SIMILAR WORDS:

  • 秘密(ひみつ): secret (general, everyday)
  • 機密(きみつ): classified, confidential (official/institutional)
general
Added 2026.2.23 21:16
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