prove out

verb

proved out; proved out or proven out; proving out; proves out

intransitive verb

: to turn out to be satisfactory or as expected

Examples of prove out in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To prove out the findings in real biology, Schramma stuck his arm back into the fish tank, nipped more leaves, and snapped microscope images of the cells within to measure Elodea’s actual packing fractions. Quanta Magazine, 4 May 2026 Halioua is trying to anticipate other ways that her business might fail, even if the science proves out. Ross Andersen, The Atlantic, 2 May 2026 The space agency has now canceled Gateway to focus on building a base on the lunar surface, where astronauts can learn to harvest resources like water, live in partial gravity, and prove out technologies for future expeditions to Mars. Stephen Clark, ArsTechnica, 25 Apr. 2026 The drug is still in the early stages of clinical studies, so Merck is betting that initial data will prove out in larger studies. Elsa Ohlen,angelica Peebles, CNBC, 25 Mar. 2026 See All Example Sentences for prove out

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of prove out was in 1941

Browse Nearby Words

Cite this Entry

“Prove out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prove%20out. Accessed 9 May. 2026.

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