Translation guide
The English word 'perfect' covers several distinct meanings. This guide helps learners choose the right Japanese expression for each use, from describing flawless objects to ideal timing.
Describing something that is completely correct, without errors, or of the highest quality.
The most common and direct equivalent for 'perfect' in the sense of flawless. Used for objects, performances, plans, etc.
His Japanese is perfect.
Emphasizes completeness and lack of flaws. Often used for systems, sets, or abstract concepts.
Loanword from English. Often used in casual or trendy contexts, like games or scores.
Literally 'no complaints'. Used to express that something is perfectly satisfactory.
Describing something that is the best possible fit for a situation or need.
Emphasizing that something is entire or utter, often with a negative connotation.
Used as a pre-noun adjective meaning 'complete' or 'total'. Often with words like 失敗 (failure) or 無視 (ignoring).
Referring to the grammatical perfect aspect.
The verb meaning to improve something until it is flawless.
The most common way to say 'to perfect' something. Literally 'make perfect'.
完璧 (kanpeki) is the most common translation for 'perfect' meaning flawless. 完全 (kanzen) emphasizes completeness and is often used in formal or technical contexts. ぴったり (pittari) is a casual, onomatopoeic word for a perfect fit or match.
His answer was perfect (no mistakes).
This plan is perfect.
完全な解決策はない。
There is no perfect solution.
テストでパーフェクトを取った。
I got a perfect score on the test.
His work is perfect.
Means 'optimal' or 'most suitable'. Used when something is perfect for a specific purpose.
These shoes are perfect for hiking.
An onomatopoeic adverb/adjective meaning 'exactly right' or 'fitting perfectly'. Very common in daily speech.
This dress is perfect on you.
This room is the perfect size for us.
Means 'ideal'. Slightly more formal than ぴったり.
This is a perfect location.
It's a perfect waste of time.
He's a perfect stranger.
Means 'utter' or 'complete'. Often used with nouns like 嘘 (lie) or 偶然 (coincidence).
That's a perfect lie.
The standard term for 'perfect tense' in linguistics.
The present perfect tense is one of the difficult grammar points in English.
He perfected the technique.
Means 'to complete' or 'to bring to perfection'. Often used for projects or works.
She perfected the new system.
完全な円を描いた。
He drew a perfect circle (complete, geometrically exact).
These clothes fit me perfectly.
While パーフェクト is understood, it can sound overly casual or like 'Japlish'. In most situations, 完璧 or ぴったり are more natural choices.
Nobody's perfect.
The weather is perfect today.
Using 完璧 for weather is possible but 最高 (saikou, 'the best') is more natural.