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foundations

NOUN

basis for something physical or mental

Synonyms

STRONGEST

authority base bedrock groundwork infrastructure support

STRONG

ABCs basics bed bottom foot footing ground guts heart justification nitty-gritty nub prop reason root stay substratum substructure understructure

WEAK

bottom line brass tacks nuts and bolts underpinning

Antonyms

STRONG

cowardice exterior exteriority fear outside top

NOUN

established institution

Synonyms

STRONGEST

association charity company corporation endowment establishment institute organization society

STRONG

guild inauguration plantation settlement trusteeship

WEAK

set-up

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.

SpaceX’s acquisition could help fill in a leadership gap at xAI since Musk said the company needed to be “rebuilt from the foundations up.” xAI laid off staffers, including its founding team.

From The Wall Street Journal • Jun. 17, 2026

The achievement could help advance quantum computing beyond traditional binary systems, improve sensing technologies, and provide new insights into the foundations of quantum physics.

From Science Daily • Jun. 15, 2026

As a result, they saw off the challenge of the SDP and laid the foundations for New Labour which, eventually, resulted in the 1997 Blair landslide.

From BBC • Jun. 14, 2026

AFP journalists observed concrete foundations for a fence on the ground that had also been removed.

From Barron's • Jun. 6, 2026

A critic, Ignatius Pardies, called Newton’s paper ‘a most ingenious hypothesis’, ‘an extraordinary hypothesis’ which, if true, would overturn the foundations of optics.

From "The Invention of Science" by David Wootton