2
fearing
2
foreboding(adjective, hard, severe, offensive, distressing)
2
foul
2
gloomy(adjective, hard, severe, offensive, awful)
2
grand(awful, wonderful, amazing, splendid, overwhelming)
2
grievous
2
hairy(adjective, bad, nasty, heavy, wonderful)
2
hazardous(adjective, bad, heavy, insecure, dangerous)
2
imminent
2
imposing(adjective, awful, wonderful, amazing, grand)
2
inauspicious
2
jeopardous(adjective, dangerous)
2
looming
2
majestic(awful, wonderful, amazing, grand, splendid)
2
minatory(adjective, threatening)
2
monstrous
2
painful(adjective, hard, severe, offensive, fear)
2
parlous(adjective, dangerous)
2
perturbing(adjective, hard, severe, offensive, gloomy)
2
pessimistic(hard, severe, offensive, distressing, upsetting)
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APASmart Define. (2016). alarming thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alarming/thesaurus/synonyms
ChicagoSmart Define. 2016. "alarming thesaurus" https://smartdefine.org/alarming/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, alarming thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alarming/thesaurus/synonyms>.
MLASmart Define. "alarming thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/alarming/thesaurus/synonyms>