6
sincerely apologize(verb, expression, truth, honesty, sincerity)
5
sincerely amiable(expression, adjective, kind, pleasant, friendly)
5
sincerely errant(expression, adjective, kind, pleasant, friendly)
4
be sincerely surprised(expression, truth, honesty, sincerity, frankness)
4
declare sincerely(expression, truth, honesty, sincerity, frankness)
4
repent sincerely(expression, truth, honesty, sincerity, frankness)
4
sincerely hope(expression, truth, honesty, sincerity, frankness)
4
thank sincerely(expression, truth, honesty, sincerity, frankness)
3
sincerely yours in Christ(expression, language, farewell, goodbye, bye)
2
sincerely apologise(verb, expression, beg pardon, ask forgiveness, say sorry)
2
sincerely yours(expression, language, farewell, goodbye, bye)
1
earnestly(adverb, really, seriously, truly, honestly)
1
gravely(adverb, really, seriously, truly, honestly)
1
seriously(adverb, really, truly, honestly, genuinely)
1
soberly(adverb, really, seriously, truly, honestly)
1
solemnly(adverb, really, seriously, truly, honestly)
1
thoughtfully(adverb, really, seriously, truly, honestly)
1
look up sincerely(expression, manner, sincere, politeness)
1
sincerely held belief(expression, manner, sincere, politeness)
1
sincerely hope not(expression, manner, sincere, politeness)
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APASmart Define. (2016). sincerely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sincerely/thesaurus/narrower
ChicagoSmart Define. 2016. "sincerely thesaurus" https://smartdefine.org/sincerely/thesaurus/narrower (accessed September 22, 2026).
HarvardSmart Define 2016, sincerely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sincerely/thesaurus/narrower>.
MLASmart Define. "sincerely thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/sincerely/thesaurus/narrower>