Synonyms|728Antonyms|103|Broader|11Narrower|16Related|1k
3
bodeful(adjective, person, feelings)
3
calamitous(adjective, awful, terrible, miserable, negative)
3
cautionary(threatening, menacing, intimidating, bullying)
3
clouded(adjective, foreboding, dangerous, menacing)
3
comminatory(adjective, threat)
3
daunting(adjective, person, feelings)
3
deadly(cruel, unkind, upsetting)
3
disturbing(hard, severe, nasty, offensive, awful)
3
dreadful(adjective, evil, nasty, unpleasant, awful)
3
frightful(adjective, appearance, awful, terrible, immoral)
3
grave(adjective, unpleasant, horrible, disagreeable, dreadful)
3
harsh(dark, negative, hostile, unfriendly, disapproving)
3
horrendous
3
horrible(adjective, evil, obscure, nasty, dark)
3
horrifying
3
inhospitable(adjective, foreboding, menacing)
3
lethal
3
macabre
3
meaningful
3
monitory(threatening, prediction, cautionary)
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APASmart Define. (2016). ominous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ominous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ominous thesaurus" https://smartdefine.org/ominous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ominous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ominous/thesaurus/synonyms>.
MLASmart Define. "ominous thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/ominous/thesaurus/synonyms>