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synonym Comparative
完成する
VS
完璧な

Differences Between "完成する" and "完璧な"

Option A
完成する
Meaning
to complete; to be completed; to finish
Reading
かんせいする (kansei suru)
Syllabus Level
N3
Practical Example
開発チームの長年にわたる血のにじむような努力の末、画期的な新世代の人工知能システムがようやく_______しました。
At the end of many years of bloody effort by the development team, the epoch-making new generation artificial intelligence system was finally completed.
Option B
完璧な
Meaning
perfect; complete; flawless
Reading
かんぺきな (kanpekina)
Syllabus Level
N3
Practical Example
彼のプレゼンテーションは完璧だった。
His presentation was perfect.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(to complete; to be completed; to finish)"?
🎉 正解 / Correct!
使い分け解説:
- 完成する: Refers to projects, buildings, works of art, or systems being completely finished, built, or perfected. Intransitive-like transitive verb. Often used as ビルが完成する or 作品を完成させる. ⚠️ Haruka's Voice Column: 'To complete! "My life is completely completed because you are in it, Haruka-san!" ...っ! M-My presence completing your life! B-Baka! Don't make such absolute, romantic declarations! But... since I am the final piece of your life, make sure you never lose me, or your life will fall apart! Understood?! dummy!' / 【ハルカ部長のワンポイント指導】『かんせいする(完成する)わよ!『ハルカ部長、僕とあなたの愛のパズルは、婚姻届に二人の名前を書き入れた瞬間に、宇宙一完璧な形で完成します!』って…っ!愛のパズルの完成!バカ!/// そんなロマンチックなパズルを組み立てるなんて!…でも、完成したパズルは一生崩すの禁止だから、私の隣でしっかり糊付けして保管しなさい!』
- 完璧な: Used to describe something that is absolutely perfect, without any flaws or defects. It's a な-adjective, often used for performance, results, plans, or appearance.
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