Superstore (noun)

A very large retail store that stocks a wide range of goods.

Origin:

Late 19th century: from super- "above" + store.

Examples:

1. The new superstore opened up on the outskirts of town.
2. I need to pick up some groceries, let's go to the superstore.
3. The superstore had everything I needed under one roof.
4. The prices at the superstore are usually lower than at the small grocery stores.
5. Superstore is offering a wide variety of products at competitive prices.