62 entries under ominous topic. ×

6
baneful(adjective, dark, gloomy, grim, harmful)
6
heartbreaking(adjective, unpleasant, awful, terrible, miserable)
6
threatening(tough, difficult, warning, menacing, unfavorable)
5
ill-omened(adjective, black, warning, threatening, unfavorable)
5
regrettable(adjective, wrong, terrible, miserable, wretched)
4
afflictive(adjective, hard, severe, tender, unpleasant)
4
dangerous(adjective, significant, serious, vital, menacing)
4
ugly(adjective, terrible)
4
unpropitious(threatening, unfortunate, menacing, unfavorable, intimidating)
4
untoward(miserable, wretched, adversity, unfortunate, doomed)
3
ill-starred(miserable, wretched, unfortunate, doomed, unfavorable)
3
scowling(adjective, terrible)
2
malignant(threatening, injurious, damaging, destructive, menacing)
2
oppressing(adjective, awful, terrible)
2
unpromising(warning, threatening, unfavorable, worrying)
1
impending(warning, threatening, menacing, unfavorable, intimidating)
1
malefic(warning, threatening, injurious, damaging, destructive)
1
untimely(miserable, wretched, unfortunate, doomed, unsuccessful)
0
discouraging(unfavorable, unpromising)
0
inopportune(unfavorable, unpromising)
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APASmart Define. (2016). dire thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/dire/thesaurus/synonyms
ChicagoSmart Define. 2016. "dire thesaurus" https://smartdefine.org/dire/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, dire thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/dire/thesaurus/synonyms>.
MLASmart Define. "dire thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/dire/thesaurus/synonyms>