38 entries under expression topic. ×

6
without equivocation(adverb, artlessly, innocently, naively)
5
for real(adverb, really, seriously, vigorously)
4
without a doubt(adverb, really, seriously, truly)
3
as a matter of fact(adverb, really, seriously, truly)
3
for fair(adverb, really, seriously, truly)
3
in all honesty(adverb, style, manner, sincerity)
3
in effect(adverb, really, seriously, truly)
3
in point of fact(adverb, really, seriously, truly)
3
kind regards(idiom, respect, faith, sincerity)
3
sincerely yours(regard, ending, politeness)
2
yours faithfully(idiom, respect, faith, sincerity)
2
yours respectfully(idiom, respect, faith, sincerity)
2
from the bottom of one's heart(manner, sincere, politeness)
2
without feigning(manner, sincere, politeness)
2
without pretence(manner, sincere, politeness)
1
faithfully yours(idiom, respect, faith, sincerity)
1
in all seriousness(idiom, adverb, seriously, vigorously)
0
all joking aside(idiom, adverb, seriously, vigorously)
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APASmart Define. (2016). sincerely thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sincerely/thesaurus/synonyms
ChicagoSmart Define. 2016. "sincerely thesaurus" https://smartdefine.org/sincerely/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sincerely thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sincerely/thesaurus/synonyms>.
MLASmart Define. "sincerely thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/sincerely/thesaurus/synonyms>