251 entries under adjective topic. ×

2
looming
2
louring
2
malefic(foreboding, menacing)
2
momentous(heavy, significant, acute, dangerous)
2
monstrous(shocking, unnatural)
2
morbid(evil, sad, awful, immoral)
2
nasty(evil, unpleasant, awful, cruel)
2
negative(disapproving, uncomplimentary, negative emotions)
2
nocuous(cruel, unkind, upsetting, negative emotions)
2
noisome(unpleasant, horrible, disagreeable, dreadful)
2
odious(person, evil, dark, unpleasant)
2
precarious
2
scowling(appearance, nasty, unpleasant, awful)
2
severe(appearance, hard, dark, heavy)
2
shocking(appearance, evil, offensive, unpleasant)
2
sullen(mean, bad, wrong, evil)
2
terrifying
2
unhappy(sad, miserable, wretched, depressing)
2
unsafe
2
unwarmhearted
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APASmart Define. (2016). ominous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ominous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ominous thesaurus" https://smartdefine.org/ominous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, ominous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ominous/thesaurus/synonyms>.
MLASmart Define. "ominous thesaurus" 3 April 2016. Web. 27 September 2026. <https://smartdefine.org/ominous/thesaurus/synonyms>