Translation guide
Describing something as physically big, available in a large size, or larger than usual. Japanese uses different words depending on what is being described and the context.
To say something is large in size, or to ask for a large size of something.
The most common and versatile adjective for 'big' or 'large'. Used for physical size of objects, spaces, and abstract things.
この箱は大きいです。
This box is large.
大きいサイズのTシャツをください。
Please give me a large size T-shirt.
Means 'large-sized' or 'large model'. Often used for vehicles, appliances, or animals. More formal than 大きい.
Prefix meaning 'large' or 'big'. Used in compound words like 大規模 (large scale) or 大盛り (large portion). Not used alone as an adjective.
Directly borrowed from English 'L size'. Commonly used for clothing and drink sizes.
この服のLサイズはありますか？
Do you have this clothing in a large size?
Referring to the concept of 'large size' as a category, especially in retail or manufacturing.
Literally 'large size'. Used when talking about plus-size clothing or items that come in multiple sizes.
大きいサイズの靴を探しています。
I'm looking for large size shoes.
To order or describe a large serving of food or drink.
Describing something as large in scale, scope, or magnitude.
大型トラックが通れない道です。
This road is impassable for large trucks.
大型犬を飼っています。
I have a large dog.
A large portion, please.
Used for industrial or commercial products, like large-format printing or oversized equipment.
大型サイズのプリンターが必要です。
We need a large-format printer.
Standard term for a large portion of rice, noodles, etc. Used in restaurants.
ラーメン大盛りで。
Ramen, large portion please.
For drinks or fast food, 'L size' is common.
コーラのLサイズをください。
A large Coke, please.
Means 'large-scale'. Used for events, projects, disasters, etc.
大規模なイベントが開催されます。
A large-scale event will be held.
Can also be used for large-scale projects or systems, though 大規模 is more common for abstract scale.
大型プロジェクトを任されました。
I was put in charge of a large-scale project.
a large-scale power outage
While 大きいサイズ is understood, in many contexts a more specific term is preferred. For food, use 大盛り; for drinks, Lサイズ; for industrial items, 大型.
They are planning a large-scale event.