177 entries under adverb topic. ×

44
surely(good, fine, absolutely, easily)
39
definitely(interjection, absolutely, completely, positively)
36
absolutely(interjection, certain, limited, well)
31
positively(interjection, certain, limited, absolutely)
27
indubitably(interjection, absolutely, easily, clearly)
27
unquestionably(doubt, absolutely, assent, easily)
26
undoubtedly(certain, limited, absolutely, positively)
22
assuredly(interjection, assent)
18
of course(expression, idiom, interjection, good)
18
unequivocally(absolutely, categorically)
17
truly(truth, certainty, assent, truly)
16
doubtless(adjective, certain, limited, certainty)
16
clearly(absolutely, really, positively, definitely)
16
undeniably(absolutely, very, positively, easily)
13
naturally(interjection, good, fine, absolutely)
13
to be sure(expression, idiom, interjection, absolutely)
12
obviously(absolutely, positively, clearly, plainly)
12
categorically(well, absolutely, exactly, easily)
12
really(truth, absolutely, very, exactly)
12
indeed(well, truth, absolutely, assent)
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APASmart Define. (2016). certainly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/certainly/thesaurus/synonyms
ChicagoSmart Define. 2016. "certainly thesaurus" https://smartdefine.org/certainly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, certainly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/certainly/thesaurus/synonyms>.
MLASmart Define. "certainly thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/certainly/thesaurus/synonyms>