Translation guide
The English word 'proper' has several distinct meanings. This guide covers the most common uses for learners: 'correct/appropriate', 'real/genuine', 'thorough/complete', and 'proper to a place/culture'. It also notes that 'proper' as an intensifier (e.g., 'a proper mess') is colloquial and often translated differently.
Expressing that something is suitable, right, or socially acceptable for a situation.
The most direct and common translation for 'proper' meaning 'appropriate' or 'suitable'. Used in formal and everyday contexts.
適切な服装で来てください。
Please come in proper attire.
This problem requires a proper response.
Means 'correct' or 'right'. Use when 'proper' implies factual correctness or moral rightness.
正しい手順を教えてください。
Please tell me the proper procedure.
Emphasizes suitability or being worthy of a person or occasion. Often used for behavior, words, or roles.
彼はその賞にふさわしい人物だ。
He is a proper person for the award.
Means 'valid', 'reasonable', or 'appropriate' in a logical or procedural sense. Often used in formal or technical contexts.
その提案は妥当なものだ。
That proposal is a proper one.
Emphasizing that something is authentic, true, or in the strict sense of the word.
Means 'genuine' or 'real'. Use when 'proper' distinguishes something from an imitation or inferior version.
Literary or formal word for 'true' or 'genuine'. Often used in abstract contexts like 'true meaning' or 'true friend'.
彼は真の友達だ。
He is a proper friend.
Everyday word for 'real' or 'true'. Can replace 'proper' in casual speech when meaning 'actual'.
本当の理由を教えて。
Tell me the proper reason.
Describing something done fully, carefully, or to a high standard.
Means 'proper', 'neat', 'orderly', or 'thorough'. Very common for describing a proper job, meal, or person.
きちんとした食事をとりなさい。
Eat a proper meal.
彼はきちんとした人だ。
He is a proper person.
Colloquial version of きちんとした. Very common in spoken Japanese.
ちゃんとした説明が欲しい。
I want a proper explanation.
Means 'sufficient' or 'adequate'. Use when 'proper' implies enough in quantity or degree.
十分な準備が必要だ。
Proper preparation is necessary.
Indicating something is characteristic of or unique to a particular place, time, or culture.
Attach to a noun meaning 'peculiar to' or 'unique to'. This is the most natural way to express 'proper to' in this sense.
これは日本特有の習慣だ。
This is a custom proper to Japan.
Similar to 特有の but more formal and often used for inherent characteristics.
その言葉はこの地域固有のものだ。
That word is proper to this region.
In colloquial British English, 'proper' can mean 'very' or 'completely' (e.g., 'proper good', 'a proper mess'). Japanese does not use 適切な or きちんとした this way. Instead, use intensifiers like とても, すごく, or 完全に depending on context.