53 entries under certainly topic. ×

35
definitely(adverb, interjection, absolutely, really)
33
absolutely(adverb, interjection, certain, limited, absolutely)
29
certainly(adverb, interjection, certain, limited, absolutely)
23
surely(adverb, good, absolutely, really, exactly)
19
unequivocally(adverb, absolutely, really, clearly)
19
unquestionably(adverb, doubt, absolutely, exactly)
18
indubitably(adverb, interjection, absolutely, clearly)
16
undoubtedly(adverb, certain, limited, absolutely)
15
assuredly(adverb, interjection, well, absolutely)
15
really(adverb, true, real, absolutely, very)
14
actually(adverb, true, real, absolutely, very)
14
undeniably(adverb, absolutely)
13
clearly(adverb, absolutely, really, definitely)
12
indeed(adverb, true, well, real, absolutely)
11
of course(expression, idiom, adverb, interjection, absolutely)
9
doubtless(adverb, certain, limited, likely)
9
naturally(adverb, interjection, good, fine, absolutely)
8
doubtlessly(adverb, certain, limited, absolutely, very)
8
obviously(adverb, absolutely, clearly, plainly)
8
plainly
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APASmart Define. (2016). positively thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/positively/thesaurus/synonyms
ChicagoSmart Define. 2016. "positively thesaurus" https://smartdefine.org/positively/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, positively thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/positively/thesaurus/synonyms>.
MLASmart Define. "positively thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/positively/thesaurus/synonyms>