Antonyms of adj prosperous

4 senses of prosperous

Sense 1
comfortable, easy, prosperous, well-fixed, well-heeled, well-off, well-situated, well-to-do -- (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")

INDIRECT (VIA rich) -> poor -- (having little money or few possessions; "deplored the gap between rich and poor countries"; "the proverbial poor artist living in a garret")

Sense 2
booming, flourishing, palmy, prospering, prosperous, roaring, thriving -- (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")

INDIRECT (VIA successful) -> unsuccessful -- (not successful; having failed or having an unfavorable outcome)

Sense 3
golden, halcyon, prosperous -- (marked by peace and prosperity; "a golden era"; "the halcyon days of the clipper trade")

INDIRECT (VIA happy) -> unhappy -- (experiencing or marked by or causing sadness or sorrow or discontent; "unhappy over her departure"; "unhappy with her raise"; "after the argument they lapsed into an unhappy silence"; "had an unhappy time at school"; "the unhappy (or sad) news"; "he looks so sad")

Sense 4
golden, favorable, favourable, lucky, prosperous -- (presaging or likely to bring good luck; "a favorable time to ask for a raise"; "lucky stars"; "a prosperous moment to make a decision")

INDIRECT (VIA propitious) -> unpropitious -- (not propitious)

Similarity of adj prosperous

4 senses of prosperous

Sense 1
comfortable, easy, prosperous, well-fixed, well-heeled, well-off, well-situated, well-to-do -- (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")
       => rich (vs. poor) -- (possessing material wealth; "her father is extremely rich"; "many fond hopes are pinned on rich uncles")

Sense 2
booming, flourishing, palmy, prospering, prosperous, roaring, thriving -- (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")
       => successful (vs. unsuccessful) -- (having succeeded or being marked by a favorable outcome; "a successful architect"; "a successful business venture")

Sense 3
golden, halcyon, prosperous -- (marked by peace and prosperity; "a golden era"; "the halcyon days of the clipper trade")
       => happy (vs. unhappy) -- (enjoying or showing or marked by joy or pleasure; "a happy smile"; "spent many happy days on the beach"; "a happy marriage")

Sense 4
golden, favorable, favourable, lucky, prosperous -- (presaging or likely to bring good luck; "a favorable time to ask for a raise"; "lucky stars"; "a prosperous moment to make a decision")
       => propitious (vs. unpropitious) -- (presenting favorable circumstances; likely to result in or show signs of success; "propitious omens"; "propitious gales speeded us along"; "a propitious alignment of planets for space exploration")