18 entries under awful topic. ×

19
inauspicious(adjective, fear, black, exciting)
11
gloomy(adjective, fear, black, horror)
8
baleful(adjective, fear, black, horror)
8
eye-opening(adjective, astonishing, amazing, shocking)
8
ill-boding(adjective, fear, black, exciting)
7
disastrous(adjective, fear, black, horror)
7
ill-omened(adjective, fear, black, horror)
6
augural(adjective, fear, black, exciting)
5
bodeful(adjective, fear, black, horror)
3
eldritch(adjective, fear, black, horror)
3
evil-boding(adjective, fear, black, horror)
3
evil boding(adjective, fear, black, horror)
3
ill boding(adjective, fear, black, horror)
3
ill omened(adjective, fear, black, horror)
3
lurid(adjective, fear, black, horror)
3
presageful(adjective, fear, black, horror)
3
sinistrous(adjective, fear, black, horror)
3
sullen(adjective, fear, black, horror)
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APASmart Define. (2015). portentous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/portentous/thesaurus/synonyms
ChicagoSmart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, portentous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/portentous/thesaurus/synonyms>.
MLASmart Define. "portentous thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/portentous/thesaurus/synonyms>