クラス（クラス、kurasu）
- class

The Japanese word クラス is a loanword from the English word "class". It primarily refers to a group of people who are studying together, a grade level in school, or a category or type of something. It can also refer to a meeting of people, such as a class in a school, a business class, or a social class.

⚫︎ 数学のクラス Translation: Math class ⚫︎ クラスメイト Translation: Classmate ⚫︎ 一流のクラス Translation: First-class

⚫︎ クラス is used in various contexts, including education, business, and social settings. ⚫︎ It can refer to a specific subject, a group of students, or even the type of service or product. ⚫︎ You would use クラス when talking about a lesson, a grade level, or a group of people sharing the same characteristic.

⚫︎ クラス is written in katakana: クラス ⚫︎ It is not typically written in hiragana or kanji.

⚫︎ 授業（じゅぎょう） - lesson, class (focus on the lesson itself) ⚫︎ 組（くみ）- group, class (often used for elementary school grades) ⚫︎ 学科（がっか） - subject, department (referring to a field of study)

There are no direct antonyms as クラス is a loanword. The context may help understand the opposite. For example, the opposite of a "class" of students is not applicable.

私は日本語のクラスを受講しています。 ・Translation: I am taking a Japanese class. ・Explanation: This sentence describes the act of taking a class.

このホテルには、ビジネスクラスの部屋があります。 ・Translation: This hotel has business-class rooms. ・Explanation: This example refers to a category of rooms.

The word クラス originates directly from the English word "class," entering the Japanese language as a loanword.