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

And Mumgaard is particularly bullish that fusion power will scale up quickly in S-curve fashion once the first commercial plants come online and prove out the science and tech. —Jordan Blum, Fortune, 2 Oct. 2025

Or that’s what play-by-play announcer Chris Fowler says on TV, and his pointed prophecy is proven out by the disastrous decisions Russ makes in the present. —Ben Travers, IndieWire, 29 Sep. 2025

Part of that change management will require upskilling as much as 5 percent of the supply chain workforce in a big way, if Gartner’s projections prove out. —Meghan Hall, Sourcing Journal, 25 Sep. 2025

Transitioning design wins from quartz to MEMS requires not only proving out technical advantages but also demonstrating manufacturing maturity and long-term reliability. —Dave Altavilla, Forbes.com, 17 Sep. 2025

Word History

First Known Use

1941, in the meaning defined above

Rhymes for prove out

• roundabout
• runabout
• sauerkraut
• thereabout
• turnabout
• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout