1. The basic physical systems and facilities needed for a country, region, or organization to function, such as roads, bridges, airports, power plants, and water systems.
Usage: Usually used in plural form; can also be used as a mass noun; Common in government, urban planning, and economics contexts
2. The underlying organizational structure or framework that supports an activity, system, or institution.
Usage: Figurative or abstract use

Examples

• The country invested billions in upgrading its transportation infrastructures.
• Modern cities depend on reliable water and electrical infrastructures.
• The company built strong digital infrastructures to support remote work.
• Developing nations often struggle with inadequate infrastructures.
• Climate change threatens critical infrastructures like coastal roads and bridges.
• The government announced plans to repair aging infrastructures across the region.