How to pronounce prosperous:
Example: "They were comfortable or even wealthy by some standards"
Example: "Flourishing businesses"
Example: "A favorable time to ask for a raise"
Characterized by success
Example: "Trading babe ruth was far more prosperous for the yankees than for the red sox."
Well off; affluent
Example: "He was raised in a very prosperous household."
Favorable
Example: "He chose a prosperous lottery number that evening."