既成(きせい)

きせい
noun, no-adjective
already established; existing; accepted
formalabstract
1. already established; existing
Describes something that already exists and is generally accepted, such as a fact, idea, or organization. It usually appears as the first part of a compound or before の, and often carries a hint that the established thing should be questioned.
既成(きせい)の政党(せいとう)に不満(ふまん)がある。
I am dissatisfied with the established political parties.
既成(きせい)概念(がいねん)にとらわれずに考(かんが)えよう。
Let's think without being bound by established ideas.
工事(こうじ)はもう始(はじ)まっていて、計画(けいかく)は既成(きせい)事実(じじつ)になっていた。
Construction had already begun, and the plan had become an accomplished fact.

既成(きせい) is used mostly in compounds and in the pattern 既成(きせい)の + noun; it does not stand alone as a sentence predicate.

Common collocations

Similar words

  • 既製(きせい): ready-made — the homophone for manufactured goods, as in 既製品(きせいひん) (ready-made product) and 既製服(きせいふく) (off-the-rack clothes). 既成(きせい) is for abstract things that have been established; 既製(きせい) is for physical goods made in advance.
  • 既存(きそん): existing — neutral; 既成(きせい) suggests something settled and hard to change.

Related Words

Compare: 既存(きそん) (existing)
general
Added 2026.9.26 10:20 · Revised 2026.10.3 4:17
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