177 entries under adverb topic. ×

11
for sure(expression, idiom, sure, exactly)
10
without doubt(expression, adjective, idiom, absolutely)
10
yes(interjection, good, fine, true)
9
sure(adjective, interjection, fine, certainty)
9
decidedly
9
for certain(expression, idiom, certainty, absolutely)
8
indisputably(really, clearly, plainly, unquestionably)
8
plainly
7
actually(truth, absolutely, very, really)
7
evidently
7
exactly(interjection, assent, really, positively)
7
no doubt(expression, idiom, certainty, assent)
7
precisely(good, fine, well, absolutely)
7
unconditionally(absolutely, categorically)
7
unqualifiedly(absolutely, categorically)
6
incontrovertibly
6
manifestly
6
patently
6
unmistakably
6
very(really, much, extremely)
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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>