- having or characterized by financial success or good fortune; flourishing; successful: a prosperous business.
- well-to-do or well-off: a prosperous family.
- favorable or propitious.
Origin of prosperous
1400–50; late Middle English < Latin prosperus
SynonymsSee more synonyms on Thesaurus.com
1. thriving. 2. wealthy, rich. 3. fortunate, lucky, auspicious.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- flourishing; prospering
- rich; affluent; wealthy
- favourable or promising
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 unprosperous
Online Etymology Dictionary, © 2010 Douglas Harper