Definition of foundation
- here since the foundation of the school
- the foundations of geometry
- the rumor is without foundation in fact
- a trust administered by a foundation
- a limestone foundation
The inspector discovered a crack in the house's foundation.
The book explains the moral foundations on which her political career was built.
These problems threaten the very foundations of modern society.
The scandal has shaken the government to its foundations.
They established a foundation to help orphaned children.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'foundation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a usually stone or concrete structure that supports a building from underneath
: something (such as an idea, a principle, or a fact) that provides support for something
: an organization that is created and supported with money that people give in order to do something that helps society
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