Antonyms of noun propitiousness

1 sense of propitiousness

Sense 1
auspiciousness, propitiousness -- (the favorable quality of strongly indicating a successful result)
       Antonym of unpropitiousness (Sense 1)
      => inauspiciousness, unpropitiousness -- (the quality of suggesting an unsuccessful result)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun propitiousness

1 sense of propitiousness

Sense 1
auspiciousness, propitiousness -- (the favorable quality of strongly indicating a successful result)
       => favorableness, favourableness, advantageousness, positivity, positiveness, profitableness -- (the quality of being encouraging or promising of a successful outcome)