Synonyms of prosperous

1 Syllable

well, snug, rich

2 Syllables

uptown, richest, wealthy, lucky, halcyon, main-line, wealthiest, wealthier, gilded, golden, boomier, dexter, luckiest, fat-cat, palmy, roaring, richer, boomy, booming, well-off, affluent, easy, moneyed, blooming, luckier, robust, thriving

3 Syllables

successful, prospering, robustious, robustuous, timelier, opulent, propitious, bestselling, well-heeled, propertied, timely, auspicious, well-to-do, flourishing, substantial, pecunious, upper-class

4 Syllables

seasonable, fortunate, leisure-class, comfortable

5 Syllables

serendipitous