64 entries under uncertain topic. ×

50
dangerous(adjective, adverb, open, severe, difficult)
39
risky(adjective, adverb, open, severe, delicate)
36
hazardous(adjective, severe, difficult, delicate, awful)
31
precarious(adjective, adverb, upset, open, difficult)
23
unsafe(adjective, smooth, delicate, sensitive)
21
chancy(adjective, adverb, open, severe, delicate)
19
critical(adjective, bad, nasty, difficult, delicate)
15
insecure(adjective, upset, delicate, anxious)
13
treacherous(adjective, delicate, unsound, risky)
12
hairy(adjective, slang, delicate, informal)
12
touch-and-go(adjective, delicate, sensitive, unsound)
11
ticklish(adjective, upset, difficult, delicate)
10
shaky(adjective, adverb, upset, open, delicate)
9
touchy(adjective, delicate, wild, sensitive)
9
delicate(adjective, sensitive, unstable, doubtful)
9
unhealthy(adjective, severe, delicate, awful, terrible)
9
unstable(adjective, upset, smooth, delicate, wild)
8
dicey(adjective, delicate, sensitive, unstable)
8
serious(adjective, bad, heavy, significant)
8
wicked(adjective, severe, delicate, informal, awful)
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APASmart Define. (2015). perilous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perilous/thesaurus/synonyms
ChicagoSmart Define. 2015. "perilous thesaurus" https://smartdefine.org/perilous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, perilous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perilous/thesaurus/synonyms>.
MLASmart Define. "perilous thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/perilous/thesaurus/synonyms>