prosperous vs well-fixed

prosperous and well-fixed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prosperous	No	Yes	No	No
well-fixed	No	Yes	No	No

As adjectives, prosperous and well-fixed are synonyms defined as:

prosperous and well-fixed: in fortunate circumstances financially; moderately rich

Other synonyms of prosperous include comfortable, easy, well-heeled, well-off, well-situated, well-to-do.

prosperous (adjective)	well-fixed (adjective)
marked by peace and prosperity	in fortunate circumstances financially; moderately rich
presaging or likely to bring good luck or a good outcome
in fortunate circumstances financially; moderately rich
very lively and profitable