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primary source

American  
[prahym-er-ee sawrs, sohrs] / ˈpraɪm ɛr i ˈsɔrs, ˈsoʊrs /

noun

  1. a first-hand or original account.


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.

The event formally opens the Costume Institute's spring exhibition, which serves as the department's primary source of funding and runs until January 2027.

From BBC • May 3, 2026

“Jet-fuel cost right now is the airlines’ primary source of anxiety,” he said.

From MarketWatch • Apr. 28, 2026

However, Arm’s CPU doesn’t appear to be a direct competitor with Nvidia’s graphics-processing units, which are the primary source of revenue for the company.

From Barron's • Mar. 25, 2026

“China is the primary source of the problem,” said Tim Brightbill, an international trade attorney and co-chairman of the trade practice group at Wiley Rein.

From The Wall Street Journal • Mar. 14, 2026

The really interesting thing is that I might actually have another primary source literally under my pillow.

From "Fast Pitch" by Nic Stone

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