prove out


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

intransitive verb

: to turn out to be satisfactory or as expected

Example Sentences

Recent Examples on the Web Reaching them would require more sophisticated drilling, which could make economic sense if pilot studies prove out, Hasan says. Douglas Fox, Scientific American, 1 July 2021 While Claire proved out GHGSat's equipment and analytical methods for carbon pollution tracking, Germain says Iris will provide better resolution, precision, and throughput required to expand the business. IEEE Spectrum, 14 Mar. 2023 More research is needed to prove out the findings. Jordan Mendoza, USA TODAY, 23 Nov. 2021 Space tourism in recent years has sparked a wave of interest from the ultra-wealthy and investors as a growing field of space companies prove out hardware and ramp up uncrewed test flights in and around space. Joey Roulette, The Verge, 26 Jan. 2021 If the critics’ worries prove out and there are massive undercounts in immigrant-heavy and low-income areas, the ensuing reapportionment will likely tilt in favor of the Republicans who have pursued policies seemingly designed to, at a minimum, undermine the census takers. Editorial Los Angeles Times, Star Tribune, 1 Sep. 2020 Some of that newer distribution has proven out, like podcasting; some of it is Roblox. Nilay Patel, The Verge, 28 Feb. 2023 The length of the mission, breadth of the orbits and speed of the return are all extremes to prove out the capacity of the Orion capsule to support future human flight. Richard Tribou, Orlando Sentinel, 29 Aug. 2022 Trying to say otherwise does not prove out. Los Angeles Times, 4 Dec. 2020 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'prove out.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1941, in the meaning defined above

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

Dictionary Entries Near prove out

Cite this Entry

“Prove out.” Dictionary, Merriam-Webster, Accessed 7 Jun. 2023.

Last Updated: - Updated example sentences
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