結成

けっせい

formation

JLPT N1

Character Breakdown

Meaning and Usage

"結成" (けっせい) means "formation" or "establishment" of a group, organization, or team. It is commonly used when people come together to create something formal like a band, team, union, or committee.

Common Contexts

You will often see "結成" in contexts related to music bands, sports teams, labor unions, or any organized group. It implies a deliberate and official act of forming a group.

Collocations and Patterns

  • 結成する: to form or establish (a group)
  • バンドを結成する: to form a band
  • チームを結成する: to form a team
  • 結成が決まる: the formation is decided

Register and Nuance

"結成" is a formal noun often used in written and spoken Japanese when referring to official or organized group formation. It is not casual and usually appears in news, announcements, or formal conversations.

Common Mistakes

Learners sometimes confuse "結成" with "結婚" (marriage) due to similar pronunciation. Remember "結成" relates to forming groups, not marriage.

Example Sentences

あたらしいばんどをけっせいしました。

We formed a new band.

かれらはさっかーちーむをけっせいしてたいかいにさんかした。

They formed a soccer team and participated in the tournament.

ろうどうくみあいをけっせいすることがきまった。

It was decided to form a labor union.