21
thorny(adjective, easy, sharp, pain, sharpness)
18
prickly(adjective, easy, sharp, pain, sharpness)
17
barbed(adjective, sharp, sharpness, acute, cutting)
15
spiked(adjective, sharp, sharpness, pointed)
13
spinous(adjective, sharp, sharpness, pointed)
12
sharp(adjective, keen, sharp, fine, sharpness)
12
spiky(adjective, sharp, sharpness, acute, cutting)
11
briery(adjective, sharp, acute, cutting, thorny)
11
bristly(adjective, sharp, tricky, complicated, prickly)
9
pointed(adjective, keen, sharp, fine, sharpness)
8
barbellate(adjective, hispid)
8
setose(adjective, hispid)
7
acute(adjective, sharp, sharpness)
7
briary(adjective, sharpness)
7
bristled
7
setaceous(adjective, hispid)
6
burred
6
burry
6
peaked(sharpness, pointed)
6
thistly(adjective, sharp, sharpness, thorny)
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APASmart Define. (2015). spiny thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/spiny/thesaurus/synonyms
ChicagoSmart Define. 2015. "spiny thesaurus" https://smartdefine.org/spiny/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, spiny thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/spiny/thesaurus/synonyms>.
MLASmart Define. "spiny thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/spiny/thesaurus/synonyms>