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verb (used with object)
  1. Archaic. to make successful or fortunate.

Origin of prosper

1425–75; late Middle English prosperen < Latin prosperāre to make happy, derivative of prosperus prosperous
Related formsun·pros·pered, adjectiveun·pros·per·ing, adjective

Synonyms for prosper

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1. See succeed.

Antonyms for prosper

1. fail. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for prosper

Contemporary Examples of prosper

  • Back then, Prosper and the others may not have been saying in public, “Oh, my God, this is wrong.”

    The Daily Beast logo
    The Crimes of Guantánamo

    Tara McKelvey

    April 28, 2009

Historical Examples of prosper

  • Prosper had stopped to let the donkey drink from the stream.

    The Downfall

    Emile Zola

  • Prosper looked about him, taxing his recollection fruitlessly.

    The Downfall

    Emile Zola

  • Prosper's answer was ready to slip from his tongue; he hesitated.

    The Downfall

    Emile Zola

  • Prosper, as far as he was concerned, was suffering from want of sleep.

    The Downfall

    Emile Zola

  • And, as well as the shawl, I shall have something to send to Prosper's old friend.

    Grandmother Dear

    Mrs. Molesworth

British Dictionary definitions for prosper


  1. (usually intr) to thrive, succeed, etc, or cause to thrive, succeed, etc in a healthy way

Word Origin for prosper

C15: from Latin prosperāre to succeed, from prosperus fortunate, from pro- 1 + spēs hope
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for prosper

mid-14c., from Old French prosperer (14c.) and directly from Latin prosperare "cause to succeed, render happy," from prosperus "favorable, fortunate, prosperous," perhaps literally "agreeable to one's wishes," from Old Latin pro spere "according to expectation," from pro "for" + ablative of spes "hope," from PIE root *spe- "to flourish, succeed, thrive, prosper" (see speed (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper