115 entries under idiom topic. ×

7
for certain(expression, adjective, adverb, certain)
7
for sure(expression, adverb, certain, definite)
7
of course(expression, adverb, interjection, fine)
5
sure enough(expression, adverb, belief, certainty)
5
tried and true(expression, adjective, close, strong)
4
all right(expression, adverb, interjection, right)
4
by all means(expression, adverb, really, positively)
4
no doubt(expression, certainty, assent)
3
just so(expression, just, absolutely, assent)
2
for a fact(expression, adjective, certain, definite)
2
in the bag(expression, adjective, strong, easy)
2
no ifs ands or buts(expression, complete, total, certain)
2
sure as shooting(expression, adverb)
2
very well(expression, assent)
2
well and good(expression, assent)
1
able to recognize(expression, adjective, understanding, keen)
1
and no mistake(expression, certainty)
1
as you say
1
at first hand
1
be assured(expression, belief, affirmation)
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APASmart Define. (2016). sure thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sure/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms>