42 entries under painfully topic. ×

4
arduously(adverb, badly, severely, vigorously, hardly)
3
tryingly
2
agonizingly(adverb, badly, severely, vigorously, hardly)
2
distressingly(adverb, badly, severely, vigorously, hardly)
2
excruciatingly
2
severely
2
torturously
1
achingly
1
acutely
1
aggravatingly
1
annoyingly
1
badly(adverb, severely, vigorously, hardly)
1
bitingly
1
bitterly
1
cruelly
1
disagreeably
1
distressfully
1
gnawingly
1
grievously
1
hardly(adverb, badly, severely, vigorously)
<123>
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APASmart Define. (2013). gruelingly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/gruelingly/thesaurus/synonyms
ChicagoSmart Define. 2013. "gruelingly thesaurus" https://smartdefine.org/gruelingly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, gruelingly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/gruelingly/thesaurus/synonyms>.
MLASmart Define. "gruelingly thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/gruelingly/thesaurus/synonyms>