Synonyms|730Antonyms|145|Broader|5Narrower|5Related|480

65 entries under idiom topic. ×

11
of course(expression, adverb, good, absolutely)
10
for sure(expression, adverb, exactly, positively)
9
to be sure(expression, adverb, absolutely, very)
8
for certain(expression, adverb, absolutely, really)
8
without doubt(expression, adverb, absolutely, exactly)
6
by all means(expression, good, fine, really)
4
all right(expression, adjective, adverb, good)
4
beyond doubt(expression, adverb, absolutely, very)
4
no doubt(expression, adverb)
4
sure enough(expression, adverb, really, exactly)
3
sure thing(expression, absolutely, very, exactly)
3
without a doubt(expression, adverb, absolutely, very)
3
without fail(expression, adverb, good, fine)
2
for a fact(expression, adverb, just, absolutely)
2
most certainly
2
no ifs ands or buts(expression, adverb, just, absolutely)
2
no strings attached(expression, adverb, really, exactly)
2
nothing else but(expression, adverb, well, absolutely)
2
on the money(expression, just, really, exactly)
2
yes indeed
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APASmart Define. (2015). surely thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/surely/thesaurus/synonyms
ChicagoSmart Define. 2015. "surely thesaurus" https://smartdefine.org/surely/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, surely thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/surely/thesaurus/synonyms>.
MLASmart Define. "surely thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/surely/thesaurus/synonyms>