共有|きょうゆうkyouyuu[0]heiban (flat)

1. noun, suru verb, transitive verbjoint ownership; co-ownership; sharing (e.g. a viewpoint)
   ケンは兄あにと部屋へやを共有きょうゆうしている。↗

   Ken shared the room with his elder brother.
2. noun, suru verb, transitive verbsharing (files, devices on a network, posts on social media, etc.)

• Synonym分け合うわけあうNeutralA verb for dividing things up, as in 「お菓子を分け合う」. It leans toward apportioning physical items, while 「共有」 is about joint ownership or file sharing.
• Synonym分かち合うわかちあうNeutralA verb for sharing feelings, as in 「喜びを分かち合う」. It leans emotional, while 「共有」 covers joint ownership and sharing files or information.
• Antonym専有せんゆうWrittenFormal written term for exclusive possession, as in 「専有面積」; it stands opposite to 「共有」, which implies holding something jointly.
• Antonym独占どくせんNeutralMeans monopolizing or keeping something to oneself; the opposite of 「共有」, which is about sharing.

Use 「共有」 for joint ownership and for sharing information or files, as in 「情報共有」「画面共有」「共有財産」. Use 「分かち合う」 for sharing emotions and 「分け合う」 for dividing things up; the opposites are 「独占」 and 「専有」.

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

1. 一ひとつの物ものを、共同きょうどうで持ち合もちあうこと。
2. コンピュータ上じょうのファイルを他ほかの人ひとにも閲覧えつらん可能かのうにすること。
3. 設定せっていや閲覧えつらん履歴りれきなどの情報じょうほうを複数ふくすうの端末たんまつで共通きょうつう化かすること。