334 entries under adjective topic. ×

5
parlous(bad, heavy, risky, dangerous)
5
risky(bad, delicate, heavy, uncertain)
5
stormy(strong, severe, rough, intense)
5
sullen(mean, bad, wrong, evil)
5
treacherous(delicate, unpleasant, uncertain, horrible)
5
unfavourable
5
unlucky(negative, menacing, unfavorable, disapproving)
5
warning(noun, verb, warning, menacing)
4
atrocious(evil, obscure, dark, gloomy)
4
bleak
4
brewing(likely, possible, immediate, coming)
4
clouded
4
frowning(evil, critical, mysterious, forbidding)
4
glum(evil, unpleasant, horrible, disagreeable)
4
grim
4
hard(tough, severe, difficult, offensive)
4
harmful(risky, dangerous, menacing, unsafe)
4
horrible(strong, severe, evil, obscure)
4
horrifying(verb, frightening)
4
ill-boding(warning, menacing, unfavorable, intimidating)
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APASmart Define. (2016). threatening thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/threatening/thesaurus/synonyms
ChicagoSmart Define. 2016. "threatening thesaurus" https://smartdefine.org/threatening/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, threatening thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/threatening/thesaurus/synonyms>.
MLASmart Define. "threatening thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/threatening/thesaurus/synonyms>