開示|かいじkaiji[1]atamadaka (head-high)

1. noun, suru verb, transitive verbrelease (of information, documents, etc.); disclosure; display
2. noun, lawdiscovery

• Synonym公開こうかいNeutralBroader in scope: making things open to the public or releasing them, e.g. 「映画公開」「情報公開」; 「開示」 stresses formally showing normally private information to a party.
• SynonymディスクロージャーNeutralLoanword for corporate disclosure of information or release of official documents; leans financial/business. Closest in meaning to 「開示」.
• Related露呈ろていWrittenWritten style: problems or flaws coming to light, often negative, as in 「弱点が露呈する」; 「開示」 is deliberate, active disclosure.
• RelatedばらすCasualColloquial: letting a secret slip to others, deliberately or not, as in 「うっかりばらす」; also means to take apart. 「開示」 is formal disclosure.
• Related示すしめすNeutralBroad verb for showing or indicating, not tied to disclosing information; 「開示」 presents what is normally hidden, and can also mean expounding doctrine.
• Related暴露ばくろNeutralNoun for exposing or letting out secrets, as in 「秘密を暴露」, typically airing something shameful; 「開示」 carries no negative tinge.
• Relatedさらけ出すさらけだすNeutralVerb for laying everything bare — revealing one's privacy or weaknesses with nothing held back; 「開示」 is the formal presentation of information.
• Related口外こうがいWrittenWritten style: telling outsiders, especially secrets; often negated as 「口外しない」. 「開示」 is formal, official release of information.
• Related暴くあばくNeutralVerb for exposing hidden affairs or scandals, as in 「秘密を暴く」, with an exposé nuance 「開示」 lacks.
• Related明らかにするあきらかにするNeutralPhrase for clarifying something or making hidden facts public, centred on getting at the truth; more colloquial than 「開示」.
• Antonym秘匿ひとくWrittenWritten style: keeping something hidden or secret, as in 「情報を秘匿」; the opposite of 「開示」, which lays information open.
• Antonym隠蔽いんぺいWrittenWritten style: deliberately covering up inconvenient facts, with a pejorative shade; opposed to 「開示」, which discloses openly.
• Antonym非開示WrittenWritten style: withholding information, seen in official documents like 「非開示決定」; the direct opposite of 「開示」.

Use 「開示」 for disclosing information normally kept private, as in 「情報開示」「開示請求」. For opening things to the public choose 「公開」; for exposing scandals 「暴く」「暴露」; for flaws coming to light 「露呈」; for concealment 「隠蔽」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 平時へいじには公開こうかいされていないものや、他者たしゃが知しろうとしても困難こんなんなものなどを明あきらかにして示しめすこと。
2. 説き明ときあかすこと。教おしえさとすこと。
3. 平時へいじには公開こうかいされていないものや、他者たしゃが知しろうとしても困難こんなんなものなどを明あきらかにして示しめす。
4. 説き明ときあかす。教おしえさとす。