主語（しゅご、shugo）
- subject

The word 主語 （しゅご） in Japanese means "subject" in the grammatical sense. It refers to the part of a sentence that performs the action of the verb or is being described by the verb. It is the topic of the sentence, the "who" or "what" that the rest of the sentence is about. Identifying the 主語 is crucial for understanding the meaning and structure of a Japanese sentence.

⚫︎私は学生です。 Translation: I am a student. ⚫︎猫が走っています。 Translation: The cat is running. ⚫︎日本語は難しいです。 Translation: Japanese is difficult.

⚫︎You use 主語 when discussing the grammatical structure of a sentence. ⚫︎It's essential when analyzing Japanese sentences to identify the topic or actor. ⚫︎While 主語 can sometimes be omitted in Japanese sentences if it's clear from the context, it's still a core grammatical concept. ⚫︎Understanding 主語 is vital to comprehend sentence structure and meaning.

⚫︎The word 主語 is typically written in kanji as 主語. ⚫︎The reading is しゅご in hiragana. ⚫︎There is no variation in okurigana.

⚫︎While not direct synonyms, terms related to sentence structure could be seen as related concepts: 文（ぶん）（sentence), 文節（ぶんせつ）（phrase).

⚫︎There is no direct antonym for 主語, as it is a grammatical term. Other parts of the sentence, such as the verb (動詞（どうし）) or object (目的語（もくてきご)), can be considered as opposite roles within a sentence.

この文の主語は何ですか。 ・Translation: What is the subject of this sentence? ・Explanation: This sentence directly asks about the 主語 in a particular sentence.

私は今日、本を読みます。主語は「私」です。 ・Translation: I will read a book today. The subject is "I." ・Explanation: This sentence identifies "I" (私) as the 主語.

⚫︎The word 主語 is a compound word. ⚫︎主 means "main," "chief," or "principal." ⚫︎語 means "word" or "term." ⚫︎Therefore, 主語 literally means "main word" or "principal word," referring to the core word or phrase that serves as the subject of the sentence.