142 entries under adjective topic. ×

3
puzzling(hard, difficult, loose, complex)
3
recondite(difficult, complex, involved, dense)
3
refractory
3
spiculate
3
uncomfortable(rough, painful, tricky, problematic)
3
unpleasant(tough, difficult, tricky, problematic)
3
uphill
3
worrying(difficult, problematic)
2
convoluted(difficulty, difficult, complex, involved)
2
dangerous(bad, delicate, heavy, tricky)
2
harsh
2
irksome(difficult, problematic)
2
jagged
2
onerous
2
spiculose
2
splenetic
1
adverse
1
bristling(sharp, sharpness, pointed)
1
cantankerous
1
contrary
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APASmart Define. (2015). thorny thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/thorny/thesaurus/synonyms
ChicagoSmart Define. 2015. "thorny thesaurus" https://smartdefine.org/thorny/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, thorny thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/thorny/thesaurus/synonyms>.
MLASmart Define. "thorny thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/thorny/thesaurus/synonyms>