11
imminent(adjective, way, critical, forbidding, denunciatory)
10
grave(adjective, tough, severe, unpleasant, deep)
10
heavy(adjective, bad, severe, weighty, treacherous)
9
ill-omened(adjective, critical, warning, hopelessness, forbidding)
9
perilous(adjective, bad, heavy, acute, risky)
8
dreary(adjective, dull, obscure, dark, gloomy)
8
overcast(adjective, cloudy, darkened)
8
unpropitious(adjective, negative, hopelessness, menacing, unfavorable)
7
bullying(noun, verb, adjective, force, pressure)
7
cloudy(adjective, dull, gloomy, dreary, gray)
7
dire(adjective, tough, difficult, menacing, unfavorable)
7
dour(adjective, person, tough, evil, offensive)
7
glowering(adjective, person, tough, evil, offensive)
7
impendent(adjective, critical, forbidding, denunciatory)
7
louring
7
murky(adjective, dull, obscure, dark, violent)
7
nasty(adjective, bad, evil, delicate, unpleasant)
7
portentous(adjective, exciting, foreboding)
7
unpromising(adjective, mean, bad, wrong, evil)
6
admonishing(verb, adjective, cautionary)
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APASmart Define. (2016). threatening thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/threatening/thesaurus/synonyms
ChicagoSmart Define. 2016. "threatening thesaurus" https://smartdefine.org/threatening/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, threatening thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/threatening/thesaurus/synonyms>.
MLASmart Define. "threatening thesaurus" 23 March 2016. Web. 20 September 2026. <https://smartdefine.org/threatening/thesaurus/synonyms>