14
perilous(adjective, bad, heavy, risky, safety)
13
precarious(adjective, bad, heavy, risky, dangerous)
12
dangerous(adjective, bad, heavy, striking, risky)
11
hazardous(adjective, bad, heavy, unpredictable, risky)
9
risky(adjective, bad, heavy, safety, dangerous)
9
appalling(adjective, awful, terrible, horrible, afraid)
9
hairy(adjective, bad, slang, informal, heavy)
8
bad(adjective, awful, terrible, horrible, afraid)
8
deadly(adjective, awful, terrible, strange, horrible)
8
menacing(adjective, bad, heavy, risky, dangerous)
8
nasty(adjective, awful, terrible, horrible, afraid)
8
unsafe(adjective, bad, heavy, risky, safety)
7
direful(adjective, awful, terrible, strange, horrible)
7
flagrant(adjective, awful, terrible, strange, horrible)
7
helluva(adjective, awful, terrible, strange, horrible)
7
scathing(adjective, awful, terrible, strange, horrible)
7
touch-and-go(adjective, risky, dangerous)
7
uncertain(adjective, risky, dangerous, unsafe)
7
woeful(adjective, awful, terrible, strange, horrible)
6
wicked(adjective, awful, terrible, horrible, afraid)
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APASmart Define. (2015). parlous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/parlous/thesaurus/synonyms
ChicagoSmart Define. 2015. "parlous thesaurus" https://smartdefine.org/parlous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, parlous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/parlous/thesaurus/synonyms>.
MLASmart Define. "parlous thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/parlous/thesaurus/synonyms>