superhighway
nounUK /ˈsuːpəhaɪweɪ/
US /ˈsuːpərhaɪweɪ/
A superhighway is a very wide, fast road for lots of cars.
We drove along the superhighway to visit Grandma in another city.
RELATED WORDS
OTHER MEANINGS
2. A large, fast computer network that carries lots of information.
The internet is often called the information superhighway.
3. A main route or path that many things travel along.
Ships use this sea superhighway to cross the ocean quickly.
4. A very busy, important way of moving people or goods.
The railway became a superhighway for trade across the country.