25
inauspicious(adjective, mean, bad, wrong, evil)
18
unlucky(adjective, bad, unfriendly, improper, inappropriate)
16
unfavourable(adjective, inauspicious)
15
adverse(adjective, mean, bad, wrong, evil)
15
ominous(adjective, mean, bad, wrong, evil)
15
unfavorable(adjective, mean, bad, wrong, evil)
15
unfortunate(adjective, bad, unfriendly, improper, inappropriate)
13
sinister(adjective, mean, bad, wrong, evil)
13
unpromising(adjective, negative, warning, threatening, hopelessness)
13
untoward(adjective, adverb, bad, poor, negative)
12
disastrous(adjective, bad, adverse, unfortunate, detrimental)
10
threatening(adjective, negative, hopelessness, menacing, unfavorable)
9
gloomy(adjective, warning, upsetting, threatening, disturbing)
9
ill(adjective, bad, evil, negative, luck)
9
ill-omened(adjective, warning, threatening, hopelessness, unfavorable)
9
inopportune(adjective, appropriate, awkward, suitable, unfriendly)
9
unfriendly(adjective, mean, bad, wrong, evil)
8
ill-starred(adjective, bad, poor, unpleasant, awkward)
7
bad(adjective, inappropriate, threatening, luck, menacing)
7
detrimental(adjective, hostile, unfriendly, antagonistic, contrary)
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APASmart Define. (2015). unpropitious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unpropitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpropitious thesaurus" https://smartdefine.org/unpropitious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unpropitious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unpropitious/thesaurus/synonyms>.
MLASmart Define. "unpropitious thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/unpropitious/thesaurus/synonyms>