25 entries under ominous topic. ×

2
evil
2
ill-boding(warning, threatening, unfavorable, worrying)
2
inopportune(adjective, negative, unfavorable, disapproving)
2
untimely(negative, unfavorable, disapproving, uncomplimentary)
1
impending(warning, threatening, unfavorable, worrying)
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APASmart Define. (2015). unpromising thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unpromising/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpromising thesaurus" https://smartdefine.org/unpromising/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unpromising thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unpromising/thesaurus/synonyms>.
MLASmart Define. "unpromising thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/unpromising/thesaurus/synonyms>