say it: PRAH-spur-uhs
prosperous is an adjective meaning "in fortunate circumstances financially; moderately rich". It carries 4 recorded senses.
in fortunate circumstances financially; moderately rich
“they were comfortable or even wealthy by some standards”
“easy living”
“a prosperous family”
“his family is well-situated financially”
“well-to-do members of the community”
very lively and profitable
“flourishing businesses”
“a palmy time for stockbrokers”
“a prosperous new business”
“doing a roaring trade”
“a thriving tourist center”
“did a thriving business in orchids”
presaging or likely to bring good luck or a good outcome
“a favorable time to ask for a raise”
“lucky stars”
“a prosperous moment to make a decision”
Definitions, synonyms and semantic relations for prosperous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.