壁（かべ、kabe）
- wall

The Japanese word 壁 (読み: かべ, *kabe*) primarily means "wall." It refers to a vertical structure, usually made of brick, stone, wood, or other materials, that forms a side of a room or building, or that separates two areas. It can also figuratively refer to a barrier or obstacle. The meaning can vary based on the context.

⚫︎部屋の壁 Translation: Room wall ⚫︎壁に絵をかける Translation: To hang a picture on the wall ⚫︎彼らは困難の壁に直面した Translation: They faced a wall of difficulty

⚫︎ You use 壁 when you're talking about the physical walls of a building or room. ⚫︎ It can also be used metaphorically to describe a barrier or obstacle, like a problem or a challenge. ⚫︎ The best way to understand how to use 壁 is to look at example sentences and to pay attention to the context.

⚫︎ The standard way to write 壁 is using the kanji 壁. ⚫︎ The reading is かべ (kabe) in hiragana. ⚫︎ There are no other common ways to write this word. The okurigana (送りがな) doesn't change.

⚫︎ 塀 (へい, *hei*) - Fence, wall (often specifically for an outside wall) ⚫︎ 障壁 (しょうへき, *shouheki*) - Barrier, wall (often used metaphorically) ⚫︎ 垣根 (かきね, *kakine*) - Hedge, fence

There aren't direct antonyms for 壁, as it is a concrete noun. The opposite concepts would depend on the context (e.g., inside vs. outside, open vs. closed).

その壁はレンガでできています。 ・Translation: That wall is made of brick. ・Explanation: This sentence describes the physical construction of a wall using the kanji 壁

彼は大きな壁にぶつかった。 ・Translation: He ran into a big wall (He hit a wall/obstacle). ・Explanation: Here, 壁 is used metaphorically to express a large obstacle or problem that someone encountered.

The etymology of 壁 isn't definitively known. The character 壁 is a phonetic loan from Chinese, where it also means "wall." It likely came into use in Japanese due to the influence of Chinese writing. The Japanese word likely developed from the general meaning of a "barrier" or a "side" of a structure.