162 entries under adjective topic. ×

5
ugly(bad, severe, awful, heavy)
5
unreliable(delicate, uncertain, unstable, doubtful)
5
unsound(severe, delicate, awful, terrible)
4
iffy(delicate, uncertain, sensitive, unstable)
4
adventurous
4
detrimental(adverse, harmful, dangerous, injurious)
4
lethal(risky, dangerous, unsafe)
4
severe(awful, heavy, terrible, dreadful)
4
venturesome(bad, delicate, heavy, uncertain)
3
acute(severe, awful, heavy, terrible)
3
damaging(harmful, dangerous, injurious, detrimental)
3
destructive(severe, rude, awful, heavy)
3
doubtful(delicate, uncertain, unstable, unsettled)
3
dubious(delicate, uncertain, unstable, doubtful)
3
exposed(adverb, bad, open, shaky)
3
fraught with danger(expression, idiom, delicate, uncertain)
3
hard
3
injurious(harmful, dangerous, detrimental)
3
life-threatening
3
mischievous(wicked, devilish)
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APASmart Define. (2015). perilous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perilous/thesaurus/synonyms
ChicagoSmart Define. 2015. "perilous thesaurus" https://smartdefine.org/perilous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, perilous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perilous/thesaurus/synonyms>.
MLASmart Define. "perilous thesaurus" 17 July 2015. Web. 27 September 2026. <https://smartdefine.org/perilous/thesaurus/synonyms>