220 entries under adverb topic. ×

52
truly(interjection, true, truth, real)
32
actually(adjective, true, truth, real)
31
sincerely(manner, sincere, politeness, seriously)
27
genuinely(true, real, absolutely, existent)
25
absolutely(adjective, interjection, very, completely)
25
certainly(truth, fact, absolutely, very)
23
indeed(expression, adjective, interjection, true)
22
positively(property, true, real, fact)
20
in fact(expression, adjective, idiom, fact)
20
in reality(expression, adjective, idiom, truth)
18
surely(wonder, absolutely, very, exactly)
16
in truth(expression, idiom, absolutely, very)
15
very(adjective, absolutely, exactly, extremely)
13
extremely(well, very, completely, seriously)
13
honestly(interjection, absolutely, very, exactly)
13
quite(absolutely, very, completely, extremely)
11
definitely(absolutely, exactly, positively, certainly)
11
in effect(expression, idiom, truth, fact)
11
unquestionably(absolutely, exactly, positively, certainly)
11
real(well, absolutely, very, positively)
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APASmart Define. (2016). really thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/really/thesaurus/synonyms
ChicagoSmart Define. 2016. "really thesaurus" https://smartdefine.org/really/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, really thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/really/thesaurus/synonyms>.
MLASmart Define. "really thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/really/thesaurus/synonyms>