Translation guide
The English word "scope" has several distinct meanings. This guide covers the most common ones for learners: the range or extent of something, an opportunity or capacity to act, and a physical viewing instrument. It also touches on the verb meaning "to look carefully" and a few niche uses.
Expressing the breadth, coverage, or limits of something (e.g., scope of a project, scope of research).
The most common and versatile word for "scope" as range, extent, or coverage. Used in both formal and everyday contexts.
このプロジェクトの範囲は広い。
The scope of this project is broad.
調査の範囲を限定する必要がある。
We need to limit the scope of the investigation.
Specifically refers to the scope of coverage or target range, often used in technical or business contexts (e.g., scope of services, scope of application).
この保険の対象範囲は限られています。
The scope of this insurance is limited.
Means "domain," "area," or "field." It can be used for scope in the sense of a specialized area of knowledge or activity.
それは私の専門領域の範囲外です。
That is outside the scope of my expertise.
The loanword from English. Used mainly in technical fields like project management or programming, but less natural than 範囲 in general speech.
プロジェクトのスコープを定義する。
Define the scope of the project.
Expressing the freedom, room, or possibility to do something (e.g., scope for improvement, scope for negotiation).
Means "room" or "leeway." Used to indicate scope for action, improvement, doubt, etc. Often follows a noun + の or verb + ～.
改善の余地がある。
There is scope for improvement.
交渉の余地はほとんどない。
There is little scope for negotiation.
Means "possibility" or "potential." Can be used when "scope" implies the potential for something to happen or be done.
Means "freedom." In some contexts, "scope" can be translated as 自由 when it refers to the freedom to act or choose.
Referring to a device with a lens for making distant or small objects visible.
Telescope. Use when "scope" refers to a telescope.
彼は望遠鏡で星を観察した。
He observed the stars through a scope.
Microscope. Use when "scope" refers to a microscope.
Loanword used for rifle scopes, spotting scopes, or in compound words like マイクロスコープ (microscope).
Using "scope" as a verb meaning to look over or assess something, often informally.
General verb for "examine" or "look into." Natural in most contexts.
そのエリアを事前に調べておこう。
Let's scope out the area beforehand.
Means "to look around" or "inspect by walking around." Good for "scope out" in the sense of checking a place.
新しいオフィスを見て回った。
We scoped out the new office.
Literally "do a preliminary inspection." Used for scoping out a location before an event or activity.
会場の下見をしに行く。
Go scope out the venue.
While スコープ is understood, it is not natural for most meanings of "scope." Use 範囲 for range/extent, 余地 for opportunity, and specific instrument names for viewing devices.
範囲 refers to the breadth or coverage of something (scope of work, scope of research). 余地 refers to room or leeway for something to happen (scope for improvement, scope for negotiation). They are not interchangeable.
さらなる成長の可能性がある。
There is scope for further growth.
We are given considerable scope for action.
顕微鏡で細胞を見る。
Look at cells through a scope.
ライフルにスコープを取り付ける。
Attach a scope to the rifle.