How to Use prove out in a Sentence

prove out

verb
  • How long those fixes will take to invent and prove out is unclear.
    — WIRED, 6 Feb. 2023
  • That’s proven out when faced with more difficult tasks like reading.
    — R. Daniel Foster, Forbes.com, 27 Jan. 2026
  • But that’s just a gut feeling based on experiences that hasn’t been proven out.
    — IEEE Spectrum, 19 Mar. 2026
  • The brands that pay attention aim their expansion at the places that already proved out.
    — Joel Goldstein, Forbes.com, 26 June 2026
  • Whether that figure proves out over time remains to be seen, but the claim underscores the shift in thinking.
    — Tony Bradley, Forbes.com, 16 Sep. 2025
  • That accounting trick has been easier to prove out on paper than in practice.
    — Gregory Barber, WIRED, 7 Dec. 2023
  • The first is to prove out this idea of continuous update ability.
    — Ashton Nichols, Dallas News, 9 July 2020
  • The solution the partners are looking to prove out is a cooling method that acts as a heat barrier.
    — Eileen Falkenberg-Hull, MSNBC Newsweek, 1 May 2025
  • 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
  • Wu says that for him, the key value of the study comes in proving out the high pluripotency of the stem cells that scientists use in the lab.
    — Meghan Bartels, Scientific American, 10 Nov. 2023
  • Taking on board the fact that predictions for the year made in Davos are not always proved out, what could change the picture?
    — Andrew Edgecliffe-Johnson, semafor.com, 23 Jan. 2026
  • Some of that newer distribution has proven out, like podcasting; some of it is Roblox.
    — Nilay Patel, The Verge, 28 Feb. 2023
  • Reaching such regional understandings may well prove out of reach.
    — Daniel Benaim, Foreign Affairs, 22 May 2020
  • Do not vertically integrate for the sake of proving out a point; do it to live long enough to delegate it out.
    — Nelson Chu, Forbes.com, 28 Aug. 2025
  • The company will use the money to continue proving out the market.
    — Mike Freeman, San Diego Union-Tribune, 16 May 2023
  • That sudden financial burden would prove out of reach for most Americans.
    — Max Zahn, ABC News, 29 Sep. 2022
  • The firm’s thesis—that backing female founders can provide outsized returns—is proving out.
    — Allie Garfinkle, Fortune, 31 Oct. 2024
  • If that research proves out, the drugs’ addiction-curbing effects could be another boon to public health.
    — Isabella Cueto, STAT, 29 Dec. 2025
  • Instead, the company would prove out misconduct that happened outside of the platform.
    — Washington Post, 7 Apr. 2021
  • It was supposed to prove out a dream that smaller, modular designs can make splitting atoms to boil water and push turbines with steam much cheaper.
    — WIRED, 9 Nov. 2023
  • All of that should be on the table to prove out the allegations in the SARS reports.
    — ABC News, 17 Sep. 2023
  • Areas where seismic events have occurred will prove out of reach to investigators owing to the violence that erupts again.
    — Nick Paton Walsh, CNN, 11 Mar. 2025
  • The models used to calculate the number of people who would need hospitalization were based on assumptions that didn’t prove out.
    — Charles Ornstein, ProPublica, 15 June 2020
  • 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
  • Now that the beta models are out, the company is working to prove out the virtual development work that has been done over the last several years.
    — Eileen Falkenberg-Hull, MSNBC Newsweek, 4 Sep. 2025
  • Google searches prove out that 322 isn’t even a particularly common number.
    — Eric Litke, USA TODAY, 17 June 2020
  • India continues to prove out the abilities of its increasingly robust space program.
    — Mike Wall, Space.com, 16 Jan. 2025
  • 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
  • Satellite connectivity is now shipping in all new iPhones, but Apple still hasn’t proven out demand for the service.
    — Jacob Kastrenakes, The Verge, 10 Nov. 2023
  • 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

Some of 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.

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