prove out

Idioms  

1. Succeed, turn out well, as in Farm-raised trout has proved out so well that the fish industry plans to experiment with other species. [Mid-1900s]

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Example Sentences

See Examples For:

prove out

Of course, the managers and funds whose portfolios prove out through the cycle will likely end up with bigger shares of inflows and assets in the future.

From The Wall Street Journal ● Feb. 6, 2026

They also said they believe a complete overhaul of the business "will prove out of reach".

From BBC ● Aug. 24, 2025

First SpaceX needs to prove out its rocket.

From Science Magazine ● Nov. 18, 2023

If those estimates prove out, it would show a lack of progress on underlying price pressures for the last six months.

From Reuters ● Jun. 29, 2023

The only thing we had to worry about," Malone said, pouring some more champagne into the hollow-stemmed glasses, "was whether the theory would actually prove out in practice.

From Out Like a Light by Freas, Kelly