When it comes to infrastructure, "hard" refers to physical and tangible structures such as roads, bridges, buildings, and power grids. Some synonyms for "hard infrastructure" could include "physical infrastructure," "built infrastructure," "fixed infrastructure," or "tangible infrastructure." Another term that is commonly used is "public works," which can encompass both hard infrastructure projects and those that involve more soft infrastructure, like parks and public spaces. In contrast, "soft infrastructure" may refer to systems and services that support society, such as education, healthcare, and public safety. Both hard and soft infrastructure are essential for maintaining a modern, functional society.