94 entries under idiom topic. ×

20
in truth(expression, adverb, certainty, absolutely)
15
in fact(expression, adverb, well, absolutely)
11
in reality(expression, adverb, well, truth)
4
for certain(expression, adverb, certainty, just)
4
in all conscience(expression, greatness, affirmation)
4
of a truth(expression, affirmation, veracity)
4
of course(expression, adverb, certainty, assent)
4
to be sure(expression, adverb, absolutely, very)
3
for real(expression, adverb, well, absolutely)
3
in effect(expression, truth)
3
just so(expression, adverb, assent)
3
with truth(expression, truth, veracity)
2
and no mistake(expression, certainty)
2
at all events(expression, certainty)
2
at any rate(expression, certainty)
2
for a fact(expression, adverb, just, absolutely)
2
in sooth(expression, veracity)
2
no doubt(expression, adverb, certainty, assent)
2
no ifs ands or buts(expression, really, exactly, positively)
2
nothing else but(expression, adverb, well, absolutely)
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APASmart Define. (2016). truly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/truly/thesaurus/synonyms
ChicagoSmart Define. 2016. "truly thesaurus" https://smartdefine.org/truly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, truly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/truly/thesaurus/synonyms>.
MLASmart Define. "truly thesaurus" 11 March 2016. Web. 25 September 2026. <https://smartdefine.org/truly/thesaurus/synonyms>