主体

• Reading: しゅたい
• Romaji: shutai
• Kanji breakdown: 主 (shu/nushi) — main, master; 体 (tai/karada) — body, form
• Pronunciation: /ɕɯ.ta.i/

Meaning

Main body; core; agent; subject. The central entity that drives or constitutes something.

A formal noun with two key uses: (1) the main constituent or core of something, and (2) the agent or autonomous subject in philosophical and social contexts. The adjective form 主体的 (shutaiteki, autonomous/proactive) is commonly tested at N2. Often appears in education and business discussions about taking initiative.

Examples

1. 学生が主体となってイベントを企画した。 The students took the initiative in planning the event.
2. 主体的に行動できる人材を求めている。 We are looking for people who can take proactive action.
3. このプロジェクトの主体は地域住民だ。 The main driver of this project is the local residents.

Usage Guide

Context: philosophy, education, project management

Tone: neutral

Origin & History

Compound of 主 (shu, main/master) + 体 (tai, body/form). Literally 'the main body,' from philosophical terminology distinguishing the acting subject from the object.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal