6
chancy(adjective, bad, heavy, risky, safety)
6
critical(adjective, dangerous)
6
insecure(adjective, bad, heavy, risky, danger)
6
serious(adjective, dangerous)
6
threatening(adjective, bad, heavy, risky, dangerous)
5
adventurous(adjective, safety, dangerous)
5
desperate(adjective, awful, terrible, horrible, afraid)
5
dire(adjective, awful, terrible, horrible, afraid)
5
fearful(adjective, awful, terrible, strange, horrible)
5
gastful(adjective, awful, terrible, horrible, afraid)
5
ghastful(adjective, awful, terrible, horrible, afraid)
5
ghastly(adjective, awful, terrible, horrible, afraid)
5
grisly(adjective, awful, terrible, horrible, afraid)
5
grizzly(adjective, awful, terrible, horrible, afraid)
5
grueling(adjective, awful, terrible, horrible, afraid)
5
gruesome(adjective, awful, terrible, horrible, afraid)
5
hair-raising(adjective, awful, terrible, strange, horrible)
5
hair raising(adjective, awful, terrible, horrible, afraid)
5
hideous(adjective, awful, terrible, horrible, afraid)
5
horrid(adjective, awful, terrible, horrible, afraid)
11 years ago|6.6k views|share |citing 
APASmart Define. (2015). parlous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/parlous/thesaurus/synonyms
ChicagoSmart Define. 2015. "parlous thesaurus" https://smartdefine.org/parlous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, parlous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/parlous/thesaurus/synonyms>.
MLASmart Define. "parlous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/parlous/thesaurus/synonyms>