infrastructure
Americannoun
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the fundamental facilities and systems serving a country, city, or area, as transportation and communication systems, power plants, and schools.
Investments in infrastructure helped the U.S. economy recover from the Great Depression.
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the basic, underlying framework or features of a system or organization.
Over the years, as the incidence of cancer increased, the infrastructure of the hospital was developed to accommodate the new cases.
- Synonyms:
- support, foundation, basis
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the military installations of a country.
We could do much with just a fraction of the billions spent to maintain our robust overseas infrastructure.
noun
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the basic structure of an organization, system, etc
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the stock of fixed capital equipment in a country, including factories, roads, schools, etc, considered as a determinant of economic growth
Other Word Forms
- infrastructural adjective
Etymology
Origin of infrastructure
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Iran still has control over ship traffic in the Strait of Hormuz—through which 20% of the world oil typically flows—and damaged oil infrastructure in the Middle East could take years to rebuild.
From The Wall Street Journal • Apr. 3, 2026
Sparta warned that the timeline would extend further if Gulf infrastructure damage requires significant repair to facilities, including refineries, pipelines and terminals.
From MarketWatch • Apr. 2, 2026
But access to clean water remains a challenge in many parts of India, especially in summer, due to reasons including water shortages, groundwater contamination and infrastructure gaps.
From BBC • Apr. 2, 2026
However, he provided little insight into the state of what he described as "ongoing" discussions with Iran's leadership, leaving open the possibility of hitting Iranian energy infrastructure if negotiations prove fruitless.
From BBC • Apr. 1, 2026
The war’s been intense lately, and with several decades of infrastructure funding diverted to supplying the warfront, I don’t know if these buildings would hold up well in another earthquake.
From "Legend" by Marie Lu
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.