31 entries under sincerely topic. ×

5
seriously(adverb, intensely, earnestly, actively, truly)
4
earnestly(adverb, kindly, seriously, vigorously, actively)
4
gravely(adverb, down, seriously, vigorously, earnestly)
4
solemnly(adverb, down, seriously, vigorously, earnestly)
2
fervently(adverb, kindly, seriously, vigorously, earnestly)
2
passionately(adverb, kindly, seriously, vigorously, earnestly)
2
soberly(adverb, down, seriously, vigorously, earnestly)
2
with forethought(expression, thoroughly, fully, seriously, vigorously)
2
zealously(adverb, kindly, seriously, vigorously, earnestly)
1
actively(adverb, down, seriously, vigorously, earnestly)
1
all joking aside(expression, idiom, adverb, seriously, vigorously)
1
cool it(expression, adverb, seriously, vigorously, earnestly)
1
cut the comedy(expression, idiom, adverb, seriously, vigorously)
1
determinedly(adverb, seriously, vigorously, earnestly, actively)
1
down(adverb, seriously, vigorously, earnestly, actively)
1
for real(expression, adverb, seriously, vigorously, earnestly)
1
in all conscience(expression, idiom, adverb, seriously, vigorously)
1
in all seriousness(expression, idiom, adverb, seriously, vigorously)
1
in earnest(expression, adverb, seriously, vigorously, earnestly)
1
intently(adverb, hard, thoroughly, seriously, vigorously)
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APASmart Define. (2016). thoughtfully thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thoughtfully/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtfully thesaurus" https://smartdefine.org/thoughtfully/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, thoughtfully thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thoughtfully/thesaurus/synonyms>.
MLASmart Define. "thoughtfully thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/thoughtfully/thesaurus/synonyms>