加盟する

• Reading: かめいする
• Romaji: kamei suru
• Kanji breakdown: 加 (ka) — add, join; 盟 (mei) — alliance, oath
• Pronunciation: /ka.meː.sɯ.ɾɯ/

Meaning

To join; to become a member of an organization or alliance.

A する verb used for formal membership or affiliation with international organizations, leagues, unions, or associations. More formal than 入る or 参加する, carrying a sense of official enrollment. Often appears in news and political contexts.

Examples

1. その国は来年EUに加盟する予定だ。 That country is scheduled to join the EU next year.
2. 新しいチームがリーグに加盟した。 A new team joined the league.
3. 加盟国の代表が会議に出席した。 Representatives from member nations attended the conference.

Usage Guide

Context: politics, international affairs, business

Tone: analytical

Origin & History

Compound of 加 (add, join) + 盟 (alliance, oath). Originally referred to joining a sworn alliance; now used broadly for organizational membership.

Cultural Context

Era: Modern

Generation: Adults

Social background: Universal