12
menacingly(adverb, dangerously)
8
ominously(adverb, dangerously)
7
perilously(adverb, badly, very, unfortunately, sorely)
5
frighteningly(adverb, violently, beastly, mightily, boldly)
5
intimidatingly
5
warningly(adverb, warningly)
4
alarmingly(adverb, warningly)
3
dangerously(adverb, badly, very, unfortunately, sorely)
2
forebodingly
2
impendingly
2
sinisterly
1
admonishingly
1
badly(adverb, unfortunately, critically, mortally, dangerously)
1
acutely(adverb, badly, unfortunately, critically, mortally)
1
alertedly(adverb, warningly)
1
angrily
1
critically(adverb, badly, very, unfortunately, sorely)
1
decidedly(adverb, badly, very, unfortunately, sorely)
1
deplorably(adverb, badly, very, unfortunately, sorely)
1
distressingly(adverb, badly, very, unfortunately, sorely)
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APASmart Define. (2013). threateningly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/threateningly/thesaurus/synonyms
ChicagoSmart Define. 2013. "threateningly thesaurus" https://smartdefine.org/threateningly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, threateningly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/threateningly/thesaurus/synonyms>.
MLASmart Define. "threateningly thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/threateningly/thesaurus/synonyms>