外装|がいそうgaisou[0]heiban (flat)

1. no-adjectiveexterior; packaging; cladding; armor (armour); arm

• SynonymうわべNeutralRefers to surface or outward appearance, often figuratively for mere show, as in 「上辺だけ」; 「外装」 is the actual exterior finish or packaging of a building or product.
• Synonym外面がいめんNeutralRead 「がいめん」, the outer surface of an object; read 「げめん」 (or そとづら, spelled 「外づら」), a person's outward face or manner. 「外装」 is about exterior finishing and packaging.
• Synonym上っ面うわっつらCasualColloquial term for the surface or outer skin, with a derogatory nuance of shallowness; it is not used for exterior construction or packaging.
• Related飾り付けかざりつけNeutralMeans decoration or arrangement, focusing on dressing a place up with ornaments; it does not refer to the exterior structure itself.
• Related化粧けしょうNeutralMeans make-up, and figuratively the cosmetic veneering of an appearance, as in 「化粧板」; the emphasis is on beautifying, not on the exterior structure.
• Antonym内装ないそうNeutralThe antonym: interior finishing of a building, as in 「内装工事」, contrasted with 「外装」 for the exterior.

Use 「外装」 for a building's exterior or a product's outer packaging, as in 「外装工事」「外装を一新する」. For the outer surface of an object use 「外面」, and for mere outward show 「上辺」; 「内装」 is its antonym, the interior.

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

1. 建築物けんちくぶつや乗り物のりものの外側そとがわの構造物こうぞうぶつや装飾そうしょく。
2. 商品しょうひんなどの外側そとがわの包装ほうそう。