中身・中味|なかみnakami[2]nakadaka (mid-high)

1. nouncontents; interior; filling
   財布さいふの中身なかみをこの袋ふくろに空あけなさい。↗

   Empty the purse into this bag.
2. nounsubstance; content
3. noun(sword) blade

• Synonym内容ないようNeutralLeans abstract: the content of a text, talk or plan. For the actual things packed inside a box or bag, 「中身」 is the more natural everyday word.
• Related内容物ないようぶつWrittenWritten/formal term for what a container or the stomach holds, common in manuals and medical writing; 「中身」 is the more colloquial choice.
• Antonym外観がいかんNeutralThe outward appearance of a thing; stands opposite 「中身」 in the inside–outside contrast.
• Antonym表面ひょうめんNeutralThe surface of an object; also used figuratively for judging by appearances alone. Opposite of 「中身」 in the inside–outside contrast.

Use 「中身」 for what a container holds or for substance; it leans colloquial. For the content of a text, talk or plan, pick 「内容」; in formal writing such as manuals or medical texts, 「内容物」. 「外観」 and 「表面」 are the outside/surface opposites.

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

1. 身分みぶん・禄高ろくだかなどが中位ちゅういであること。また、その人ひと。