50 entries under adjective topic. ×

6
painful(good, agonizing, physically)
3
arduous
3
formidable
2
onerous
2
sore
2
bitter
2
burdensome
2
difficult
2
exacting
2
knotty
2
laborious
2
severe
2
strenuous
2
toilsome
1
awkward
1
cruel
1
delicate
1
harsh
1
intricate
1
rigorous
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APASmart Define. (2015). painless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/painless/thesaurus/antonyms
ChicagoSmart Define. 2015. "painless thesaurus" https://smartdefine.org/painless/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, painless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/painless/thesaurus/antonyms>.
MLASmart Define. "painless thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/painless/thesaurus/antonyms>