1. plural of megastore; very large retail stores that sell a wide variety of merchandise, typically at discount prices
Usage: countable noun; common in retail and commerce contexts

Examples

• The new megastores in the shopping district offer everything from groceries to electronics under one roof.
• Many traditional retailers have struggled to compete with megastores that offer lower prices.
• Megastores have changed the landscape of suburban shopping over the past two decades.
• The chain plans to open five new megastores in the region next year.
• Customers appreciate the convenience of megastores, where they can buy clothing, furniture, and household items all in one place.
• Some critics argue that megastores have hurt small businesses in local communities.