3
perilously(adverb, adversely)
3
piteously(adverb, greatness)
3
plaintively
3
ruefully
3
unfavorably(adverb, adversely)
3
unpropitiously(adverb, adversely)
2
abominably
2
arduously(adverb, painfully)
2
awfully
2
disagreeably(adverb, painfully)
2
ever
2
gravely
2
hardly
2
heavily
2
hurtfully(adverb, painfully)
2
insufferably(adverb, painfully)
2
offensively(adverb, painfully)
2
oppressively(adverb, painfully)
2
pathetically
2
seriously
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APASmart Define. (2015). grievously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/grievously/thesaurus/synonyms
ChicagoSmart Define. 2015. "grievously thesaurus" https://smartdefine.org/grievously/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, grievously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/grievously/thesaurus/synonyms>.
MLASmart Define. "grievously thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/grievously/thesaurus/synonyms>