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Synonym Nuance VS

How to say "Completion" in Japanese

Both words can translate to "completion", but which should you choose?

Japanese Option A

完了

かんりょう (kanryō)
N3 / CEFR Syllabus
VS
Japanese Option B

落成

らくせい (rakusei)
N2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "completion" into Japanese, you must choose carefully between 完了 and 落成. In Japanese, 完了 (かんりょう (kanryō)) is typically associated with "completion; termination; finished" (Syllabus Level: N3) and represents Refers to the completion or termination of tasks, software updates, or legal registrations. Often used as 完了する or 登録完了. ⚠️ Haruka's Voice Column: 'Completion! "Preparation for Haruka-san's happiness is complete!" ...っ, T-To finish all preparations! B-But your love for me must never be "complete". On the other hand, 落成 (らくせい (rakusei)) maps to "completion (of a building, often with a ceremony)" (Syllabus Level: N2) and represents Similar to 竣工, but often implies not just the physical completion of construction, but also the readiness for use and sometimes includes an inauguration or completion ceremony.. A literal translation of "completion" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "完了"
パソコンの基本ソフトの更新がすべて_______し、画面には再起動を促すメッセージが表示されました。
All updates to the computer basic software were completed, and a message prompting a restart appeared on the screen.
Bilingual Context for "落成"
新しい図書館の落成式が盛大に行われた。
A grand completion ceremony was held for the new library.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "パソコンの基本ソフトの更新がすべて_______し、画面には再起動を促すメッセージが表示されました。" (Meaning: "All updates to the computer basic software were completed, and a message prompting a restart appeared on the screen.")
🎉 Correct Answer!

Remember: "完了" fits here because it means "completion; termination; finished" in the context of: "All updates to the computer basic software were completed, and a message prompting a restart appeared on the screen.". "落成" represents "completion (of a building, often with a ceremony)".

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