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prove out

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 ]
The American HeritageĀ® Idioms Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Historical Examples
  • The exact direction that this line takes will prove out in question.

    Farm Mechanics Herbert A. Shearer
  • It's a matter of taking what you want to prove out of context.

  • I just love to experiment, to work, and to prove out things, so that ranch life and "roughing it" just suit me.

    Letters of a Woman Homesteader Elinore Pruitt Stewart
  • If these prove out, you may have saved the satellite by the rapidity of your work.

    Where I Wasn't Going Walt Richmond
  • If he asked, it must be to receive all and return nothing, except whatever of constancy time might prove out of his heart.

    Claim Number One George W. (George Washington) Ogden
  • Even if the third-stage motor never fired, the rocket was high enough to prove out the project objective.

    The Scarlet Lake Mystery Harold Leland Goodwin
  • This is what my correspondent pretends to prove out of his own books, and those of his whole neighbourhood.

    Isaac Bickerstaff Richard Steele

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