9
severely(adverb, badly, seriously, strictly, harshly)
8
perilously
8
seriously(adverb, badly, strictly, harshly, sternly)
7
hazardously
6
unsafely
4
badly
4
acutely
4
critically(adverb, badly, very, strictly, harshly)
4
precariously(adverb, badly, very, unfortunately, sorely)
4
riskily
3
gravely(adverb, badly, strictly, harshly, sternly)
3
ominously
3
treacherously(adverb, deceitfully)
2
chancily
2
desperately
2
fatally
2
grievously
2
harmfully(adverb, badly, very, unfortunately, sorely)
2
menacingly
2
recklessly
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APASmart Define. (2016). dangerously thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dangerously/thesaurus/synonyms
ChicagoSmart Define. 2016. "dangerously thesaurus" https://smartdefine.org/dangerously/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, dangerously thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dangerously/thesaurus/synonyms>.
MLASmart Define. "dangerously thesaurus" 26 March 2016. Web. 21 September 2026. <https://smartdefine.org/dangerously/thesaurus/synonyms>