63 entries under exactly topic. ×

34
definitely(adverb, absolutely, really, positively)
31
positively(adverb, good, absolutely, really)
26
absolutely(adverb, good, fine, true, sure)
25
unquestionably(adverb, good, fine, doubt, true)
16
unequivocally(adverb, absolutely, really, positively)
14
really(adverb, wonder, absolutely, very)
13
truly(adverb, well, absolutely, really)
12
doubtless(adverb, absolutely, likely, really)
10
categorically(adverb, absolutely, really, positively)
10
for sure(expression, idiom, adverb, positively)
8
indeed(adverb, well, sure, just, wonder)
8
without doubt(expression, idiom, adverb, absolutely)
6
actually(adverb, well, absolutely, very, really)
6
beyond question(expression, adverb, absolutely, very, really)
6
quite(adverb, just, clearly, evidently)
5
decisively(adverb, absolutely, really, positively)
5
firmly(adverb, absolutely, very, really)
5
genuinely(adverb, well, absolutely, very, severely)
5
precisely(good, fine, well, absolutely)
5
very(adverb, absolutely, really, easily)
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APASmart Define. (2015). surely thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/surely/thesaurus/synonyms
ChicagoSmart Define. 2015. "surely thesaurus" https://smartdefine.org/surely/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, surely thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/surely/thesaurus/synonyms>.
MLASmart Define. "surely thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/surely/thesaurus/synonyms>