61 entries under seriously topic. ×

1
fervently(adverb, vigorously, earnestly, actively)
1
for real(expression, adverb, vigorously, earnestly)
1
genuinely(adverb, severely, thoroughly, completely)
1
in all conscience(expression, idiom, adverb, vigorously)
1
in all seriousness(expression, idiom, adverb, vigorously)
1
intently(adverb, vigorously, earnestly, actively)
1
mournfully(adverb, severely, thoroughly, completely)
1
not humorously(expression, adverb, down, vigorously)
1
purposefully(adverb, down, vigorously, earnestly)
1
resolutely(adverb, down, vigorously, earnestly)
1
simmer down(expression, adverb, vigorously, earnestly)
1
straighten out(expression, adverb, vigorously, earnestly)
1
vigorously(adverb, earnestly, actively, powerfully)
1
with a straight face(expression, idiom, adverb, vigorously)
1
with forethought(expression, adverb, vigorously, earnestly)
1
with sobriety(expression, adverb, vigorously, earnestly)
1
zealously(adverb, vigorously, earnestly, actively)
0
aside(adverb, actively, thoughtfully, purposefully)
0
bottom(actively, purposefully)
0
by oneself(expression, adverb, actively, thoughtfully)
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APASmart Define. (2015). gravely thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/gravely/thesaurus/synonyms
ChicagoSmart Define. 2015. "gravely thesaurus" https://smartdefine.org/gravely/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, gravely thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/gravely/thesaurus/synonyms>.
MLASmart Define. "gravely thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/gravely/thesaurus/synonyms>