委員長（いいんちょう、iいnchou）
- chairman/chief

The Japanese word 委員長, read as いいんちょう (iinchou), translates to "chairperson," "committee chairman," or "president" in English. It refers to the person in charge of a committee, a board, or an organization. This individual is responsible for leading meetings, making decisions, and overseeing the activities of the group. The person in this role often has authority to manage and represent the group. This word is very commonly used in formal contexts, such as in schools, workplaces, and political organizations.

⚫︎委員会委員長 Translation: Committee Chairman ⚫︎生徒会委員長 Translation: Student Council President ⚫︎社長は委員長に決定事項を報告した。 Translation: The president reported the decisions to the chairman.

You use 委員長 when referring to the person who holds the position of leader or head of a committee, council, or organization. It's suitable for formal settings such as meetings, reports, and official documents. The word implies a position of authority and responsibility. In daily conversation, it is generally used in more formal contexts rather than casual ones.

委員長 is typically written in kanji and hiragana. ・ Kanji: 委員 (i-in) – member of a committee ・ Kanji: 長 (chou) – chief, head, leader ・ Hiragana: ちょう (chou) - the suffix indicating a chief or head There are no other common ways to write this word. The okurigana (hiragana attached to a kanji) is fixed.

⚫︎ 会長 (kaichou) - Chairman; President (usually of a company or organization) ⚫︎ 議長 (gichou) - Chairman; Speaker (typically of a meeting) ⚫︎ 代表 (daihyou) - Representative; Leader

There aren't direct antonyms for 委員長 in the same way as words like "hot" and "cold." However, someone who is *not* the 委員長 could be considered the opposite in that they lack the position of leadership. ⚫︎ 委員 (i-in) – Committee member (a member of the group, but not the leader)

会議の委員長は、新しいプロジェクトについて説明を始めた。 ・Translation: The chairman of the meeting began explaining the new project. ・Explanation: This sentence describes the 委員長 starting to give information.

彼女は生徒会の委員長として、学校のイベントを企画した。 ・Translation: As the student council president, she planned the school event. ・Explanation: This example explains the role of 委員長 in school.

The word 委員長 is formed from the following elements: ・ 委員 (i-in): This refers to a member of a committee or commission. 委員 itself comes from 委 (i), meaning "to entrust, to delegate," and 員 (in), meaning "member." ・ 長 (chou): This kanji means "chief," "head," "leader," or "president". The combination of these two elements, 委員 and 長, creates a word that signifies the "head" or "leader" of the committee members.