主食（しゅしょく、shushoku）
- staple food

The Japanese word 主食 しゅしょく refers to the "staple food" or "main food" of a diet. It's the primary source of carbohydrates and calories that people consume regularly as a foundation of their meals. It's the food that forms the base of a meal and is eaten in significant quantities. 主食 provides the bulk of the energy needed for daily activities.

⚫︎日本人の主食は米です。 Translation: The staple food of Japanese people is rice. ⚫︎パンはヨーロッパの主食です。 Translation: Bread is the staple food in Europe. ⚫︎あなたの国の主食は何ですか？ Translation: What is the staple food in your country?

You use 主食 しゅしょく when talking about the primary food that a particular culture or person relies upon. It’s frequently used when discussing diets, food culture, or nutrition. You can use it when comparing different cuisines or discussing dietary habits.

The word 主食 しゅしょく is written using the kanji 主 (しゅ - main, primary) and 食 (しょく - food, to eat). The reading is しゅしょく in hiragana. There are no other common ways to write this word. The okurigana (hiragana suffixes) are not applicable in this case.

There aren't many direct synonyms for 主食, as it is a specific term. However, you could use more general terms like: ⚫︎基本食 (きほんしょく) - basic food. ⚫︎主菜 (しゅさい) - main dish (though this is closer to "main course" than "staple food").

There isn't a direct antonym for 主食. However, words that describe things that are *not* staple foods could be considered indirect antonyms. These include: ⚫︎副食 (ふくしょく) - side dish/supplementary food. ⚫︎おかず (おかず) - side dish (similar to 副食)

私は毎朝、主食としてご飯を食べます。 ・Translation: I eat rice as my staple food every morning. ・Explanation: This sentence explains that the speaker eats rice regularly as the foundation of their breakfast.

世界にはさまざまな主食があります。 ・Translation: There are various staple foods around the world. ・Explanation: This sentence highlights the diversity of staple foods across different cultures.

The word 主食 is formed by combining the kanji 主 (main, primary) and 食 (food, to eat). This suggests the meaning is literally "main food" or "primary food".