intr.v. pros·pered, pros·per·ing, pros·pers To be fortunate or successful, especially in terms of one's finances; thrive. [Middle English prosperen, from Old French prosperer, from Latin prosperāre, to render fortunate, from prosperus, favorable; see spē- in the Appendix of Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.