6
detrimental(adjective, adverse)
6
forbidding(adjective, black, baleful, bodeful)
6
harmful
6
inappropriate(adjective, inopportune)
6
negative(noun, adverse, disapproving, uncomplimentary)
5
augural(adjective, awful, fear, black, horror)
5
baneful(adjective, threatening, menacing, unfavorable, intimidating)
5
bodeful(adjective, awful, fear, black, horror)
5
contrary(adjective, nasty, unpleasant, cold, negative)
5
creepy(adjective, awful, fear, black, horror)
5
direful(adjective, horrible, black, fearful, baleful)
5
hopeless(noun, adjective, dull, gloomy, miserable)
5
lowering(adjective, dull, gloomy, miserable, threatening)
5
luckless(unhappy, unpleasant, miserable, wretched, adverse)
5
minatory(adjective, threatening)
5
miserable(adjective, dull, gloomy, wretched, adverse)
5
premature(adjective, inopportune, untimely)
5
unfriendly(adjective, mean, bad, wrong, evil)
5
unseasonable(adjective, negative, improper, inappropriate, unfortunate)
4
bleak(noun, adjective, dull, gloomy, miserable)
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APASmart Define. (2015). inauspicious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inauspicious/thesaurus/synonyms
ChicagoSmart Define. 2015. "inauspicious thesaurus" https://smartdefine.org/inauspicious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inauspicious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inauspicious/thesaurus/synonyms>.
MLASmart Define. "inauspicious thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/inauspicious/thesaurus/synonyms>