辺|へんhen[0]heiban (flat)

1. nounarea; vicinity; region
2. noun, mathside; edge
   正方形せいほうけいには四よんつの辺へんがある。↗

   A square has four sides.
3. nouncircumstances

• Synonym付近ふきんNeutralThe area around a particular spot, as in 「駅付近」; common in news reports and explanations, and more objective than 「辺」.
• SynonymあたりNeutralCovers the surroundings, nearby areas, or a rough range, as in 「この辺り」 and 「来週あたり」; slightly more written than 「辺」.
• Synonym周辺しゅうへんNeutralThe area around a center, as in 「東京周辺」; also means peripheral devices. Leans written.
• Synonym近辺きんぺんWrittenThe area near a place, as in 「会社近辺」; slightly formal.
• Synonym近くちかくNeutralNearby, close by, as in 「駅の近く」; extremely common. 「辺」 mostly appears as 「この辺」.
• Synonym近傍きんぼうWrittenA written word for the vicinity; in mathematics it means a neighborhood. Not used in everyday speech.
• RelatedそばNeutralRight beside someone or something, as in 「母の側にいる」; closer than 「辺」.
• Relatedその辺そのへんNeutralThat area over there, or such matters, as in 「その辺に置いて」 and 「その辺の事情」.
• Related周囲しゅういNeutralThe area surrounding something; also the people around you, as in 「周囲の目」. Leans written.
• Related周りまわりNeutralAround you, at your side, or the people around you, as in 「周りの人」; very common in speech.
• Related近所きんじょNeutralThe nearby area or the neighbors, as in 「近所の人」 and 「駅の近所」; more concrete than 「辺」.
• Related近隣きんりんWrittenA written word for neighboring areas or the neighborhood, as in 「近隣住民」 and 「近隣諸国」.
• Antonym中央ちゅうおうNeutralThe opposite of 「辺」 in its edge sense: the exact middle or central area.
• Antonym中心ちゅうしんNeutralThe opposite of 「辺」: the core, the central point.

In casual speech, say 「この辺」 or 「近く」 for 'nearby'. Use 「付近」 for objective descriptions, 「周辺」 for the area around something, 「近所」 for the neighborhood or neighbors, and 「側」 for right beside. 「近辺」, 「近傍」 and 「近隣」 are written words; 「周囲」 and 「周り」 cover surroundings and the people around you.

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

1. 特定とくていの図形ずけいの中なかで 1 次元じげんの部分ぶぶんとなっている、両端りょうたんに頂点ちょうてんと呼よばれる特別とくべつの点てんを 0 次元じげんの部分ぶぶんとして含ふくむような線分せんぶん。
2. 頂点ちょうてん同士どうしを結むすぶ曲線きょくせん。
3. （形式けいしき名詞めいし）あたり。近辺きんぺん。
4. （形式けいしき名詞めいし）ことがらのおおよその範囲はんい。
5. （形式けいしき名詞めいし）ことがらの途中とちゅうや限度げんどの過程かてい。