制服（せいふく、seifuku）
- uniform

The Japanese word 制服 せいふく means "uniform." It refers to a specific set of clothing worn by members of a particular group, such as students, employees, or members of an organization, to identify them and often to project a sense of unity or professionalism. The concept is essentially the same as "uniform" in English. The 制服 can vary greatly depending on the context – school uniforms, work 制服s (like those worn by police officers or nurses), and even sports 制服s are all examples.

⚫︎学校の制服 Translation: School uniform ⚫︎警察官は制服を着ています。 Translation: Police officers wear uniforms. ⚫︎アルバイトの制服はありますか？ Translation: Is there a uniform for part-time workers?

You use 制服 in situations where you are discussing or referring to a uniform. It's a common word, so you can use it in various contexts. It's useful when talking about school, work, sports teams, or any organization that requires a specific type of clothing.

制服 is typically written in kanji as 制服. The reading is せいふく in hiragana. There are no other common ways to write this word. The okurigana is standard.

There aren't many direct synonyms for 制服, as it is a specific term. However, depending on the context, you might use more descriptive phrases. In situations, some similar word that it's close meaning include ユニフォーム (yuniifoomu - uniform, borrowed word)

There isn't a direct antonym. However, "casual clothes" (普段着 - fudangi) or "civilian clothes" (私服 - shifuku) could be considered opposites in certain contexts, as they refer to clothing that is not part of a 制服.

彼女は毎朝、制服を着て学校に行きます。 ・Translation: She wears her uniform and goes to school every morning. ・Explanation: This sentence describes the daily routine of a student wearing a 制服.

新しい会社の制服はとてもおしゃれです。 ・Translation: The new company uniform is very fashionable. ・Explanation: This sentence discusses the style of a work 制服.

The word 制服 is a compound word. 制 (sei) means "system," "regulation," or "to control," and 服 (fuku) means "clothing" or "dress." Therefore, the literal meaning is "regulated clothing" or "controlled clothing," which accurately reflects the function of a 制服.