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

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

Most observers think Starship will prove out, be built faster and launch more frequently than, say SLS, which is also a “heavy lifter” system.

From Los Angeles Times ● Apr. 25, 2023

SOCRATES: And all this I prove out of your own mouth, for I ask and you answer?

From Alcibiades I by Plato (spurious and doubtful works)