101 entries under painful topic. ×

3
distressful
3
gargantuan(tough, severe, problematic, trying)
3
gnawing
3
no picnic(expression, adjective, tough, severe, rough)
3
not easy(expression, idiom, tough, severe, difficulty)
3
stabbing
2
aggravating
2
chafing
2
difficile(adjective, tough, severe, rough, difficult)
2
horrendous
2
inflaming
2
insufferable
2
irritated(adjective, tender, raw, burning)
2
miserable
2
odious
2
offensive
2
prickly(adjective, burning, stinging, tingly)
2
tender(adjective, raw, burning, sore)
2
vexatious(adjective, dull, difficult, tender, boring)
2
withering
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APASmart Define. (2016). arduous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms
ChicagoSmart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, arduous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>.
MLASmart Define. "arduous thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms>