Synonyms|330Antonyms|107|Broader|4Narrower|0Related|201

64 entries under certainly topic. ×

6
unequivocally(adverb, absolutely, likely, easily)
4
apparently(adverb, likely)
4
for sure(expression, idiom, adverb, likely)
4
precisely(adverb, likely, assent)
3
exactly(adverb, assent, really, positively)
3
incontestable(adjective, clear, certain, definite, positive)
3
indeed(adverb, assent, really, much)
3
really(adverb, absolutely, exactly, positively)
3
seemingly(adverb, absolutely, likely, unquestionably)
2
categorically(adverb, absolutely, really, exactly, positively)
2
no ifs ands or buts(expression, idiom, absolutely, really, exactly)
2
no strings attached(expression, idiom, really, exactly, positively)
2
on the money(expression, idiom, really, exactly, positively)
2
ostensibly(adverb, likely)
2
supposedly(adverb, likely)
2
sure enough(expression, idiom, adverb, certainty, really)
2
unmistakably(adverb, absolutely, easily, clearly)
2
without question(expression, adjective, idiom, certainty)
1
come hell or high water(expression, idiom, really, exactly, positively)
1
decisively(adverb, absolutely, really, exactly, positively)
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ChicagoSmart Define. 2015. "doubtless thesaurus" https://smartdefine.org/doubtless/thesaurus/synonyms (accessed September 21, 2026).
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