4
dreadfully(adverb, greatness)
4
frightfully(adverb, greatness)
4
horribly(adverb, greatness)
4
torturously
4
troublesomely
4
unbearably
4
unpleasantly(adverb, awkwardly, uneasily)
3
abominably
3
achingly
3
awfully
3
badly
3
difficultly
3
harshly
3
heavily(adverb, fast, sprightly, severely, seriously)
3
horrendously
3
insufferably
3
intensely(adverb, fast, sprightly, severely, seriously)
3
intolerably
3
lamentably(adverb, greatness)
3
odiously
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). painfully thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/painfully/thesaurus/synonyms
ChicagoSmart Define. 2015. "painfully thesaurus" https://smartdefine.org/painfully/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, painfully thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/painfully/thesaurus/synonyms>.
MLASmart Define. "painfully thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/painfully/thesaurus/synonyms>