21 entries under likely topic. ×

17
undoubtedly(adverb, certain, limited, absolutely)
14
surely(adverb, absolutely, really, exactly)
14
unquestionably(adverb, absolutely, assent, really)
10
absolutely(adverb, certain, limited, certainly)
10
positively(adverb, certain, limited, certainly)
10
probably(adverb, happen, absolutely, certainly)
9
truly(adverb, certainty, assent, really)
9
without doubt(expression, adjective, idiom, adverb, certainty)
8
clearly(adverb, certainly)
8
easily(adverb, doubt, certainly)
7
indisputably(adverb, certainly, clearly, plainly)
7
presumably(adverb, absolutely, certainly, reasonably)
6
assuredly(adverb, assent, certainly)
6
of course(expression, idiom, adverb, certainty)
6
unequivocally(adverb, absolutely, certainly, easily)
4
apparently(adverb, certainly)
4
for sure(expression, idiom, adverb, certainly)
4
precisely(adverb, assent, certainly)
3
seemingly(adverb, absolutely, certainly, unquestionably)
2
ostensibly(adverb, certainly)
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APASmart Define. (2015). doubtless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/doubtless/thesaurus/synonyms
ChicagoSmart Define. 2015. "doubtless thesaurus" https://smartdefine.org/doubtless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, doubtless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/doubtless/thesaurus/synonyms>.
MLASmart Define. "doubtless thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/doubtless/thesaurus/synonyms>