127 entries under adjective topic. ×

66
prognostic(noun, feeling, sign, hunch)
31
warning(noun, verb, feeling, sign)
28
forewarning(noun, verb, feeling, mark)
16
sinister(person, appearance, mean, bad)
15
inauspicious(black, warning, threatening, menacing)
14
threatening(verb, person, dark, feelings)
14
fateful(black, warning, threatening, unfavorable)
14
menacing(person, tough, dark, feelings)
13
portentous(black, ominous, baleful, bodeful)
11
ominous(person, appearance, mean, bad)
9
gloomy(hard, obscure, dark, negative)
8
baleful(black, warning, threatening, menacing)
8
ill-fated(person, feelings, warning, threatening)
7
dire(black, warning, threatening, menacing)
7
forbidding(person, tough, offensive, dark)
7
grim(appearance, tough, sad, offensive)
6
ill-boding(black, warning, threatening, menacing)
6
ill-omened(black, warning, threatening, unfavorable)
6
intimidating(verb, threatening)
6
unpropitious(mean, bad, wrong, evil)
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APASmart Define. (2016). foreboding thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foreboding/thesaurus/synonyms
ChicagoSmart Define. 2016. "foreboding thesaurus" https://smartdefine.org/foreboding/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, foreboding thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foreboding/thesaurus/synonyms>.
MLASmart Define. "foreboding thesaurus" 23 March 2016. Web. 20 September 2026. <https://smartdefine.org/foreboding/thesaurus/synonyms>