1
deliberately
1
determinedly(adverb, down, seriously, vigorously, earnestly)
1
devotedly(adverb, piously)
1
dismally
1
dogmatically(adverb, piously)
1
down(adverb, seriously, vigorously, earnestly, actively)
1
drably
1
drearily
1
dully
1
dutifully(adverb, piously)
1
effort
1
eventfully
1
faithfully(adverb, piously)
1
fervently(adverb, seriously, vigorously, earnestly, actively)
1
festively
1
for real(expression, adverb, down, seriously, vigorously)
1
funereally
1
gloomily
1
gravity
1
heroically
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APASmart Define. (2015). solemnly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/solemnly/thesaurus/synonyms
ChicagoSmart Define. 2015. "solemnly thesaurus" https://smartdefine.org/solemnly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, solemnly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/solemnly/thesaurus/synonyms>.
MLASmart Define. "solemnly thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/solemnly/thesaurus/synonyms>