43 entries under foreboding topic. ×

8
augural(adjective, characteristic, significant, threatening)
8
baneful(adjective, grave, threatening, warn)
8
direful(adjective, horrible, fearful, warn)
8
ill-fated(adjective, person, feelings, miserable, wretched)
8
impending(adjective, dismal, incomplete, imminent)
8
prophetic(adjective, hard, severe, offensive, dismal)
6
dismal(adjective, obscure, sad, dark, awful)
6
fearful(adjective, dangerous, menacing)
6
hostile(adjective, dark, negative, unfriendly, grim)
6
ill-boding(adjective, threatening, menacing, unfavorable)
6
premonitory(adjective, warning, threatening, prediction)
5
presaging(adjective, dismal, menacing)
5
suggestive(adjective, characteristic, significant, threatening)
4
doomed(adjective, miserable, wretched, threatening)
4
malign(adjective, menacing)
3
clouded(adjective, dangerous, menacing)
3
inhospitable(adjective, menacing)
2
doomful(adjective, menacing)
2
malefic(adjective, menacing)
1
haunting(adjective, menacing)
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APASmart Define. (2016). ominous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ominous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ominous thesaurus" https://smartdefine.org/ominous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ominous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ominous/thesaurus/synonyms>.
MLASmart Define. "ominous thesaurus" 3 April 2016. Web. 21 September 2026. <https://smartdefine.org/ominous/thesaurus/synonyms>