Synonyms|730Antonyms|145|Broader|5Narrower|5Related|480
3
without fail(expression, idiom, adverb, good, fine)
3
yea(adverb, good, fine, agreed, yes)
2
altogether
2
apparently
2
as expected
2
assertively(adverb, affirmatively)
2
authentically(adverb, well, absolutely, very, really)
2
aye(good, fine, agreed)
2
certain(noun, adjective)
2
conclusively(adverb, absolutely)
2
course
2
declaratively(adverb, affirmatively)
2
determinedly
2
doggedly
2
downright
2
entirely
2
explicitly(adverb, absolutely, positively, certainly, clearly)
2
extremely
2
fine(adjective, adverb, good, correct, appropriate)
2
for a fact(expression, idiom, adverb, just, absolutely)
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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>