29 entries under adverb topic. ×

7
secretly(slyly, confidentially, surreptitiously)
5
sub rosa(expression, adjective, quietly, personally)
3
covertly(quietly, secretly, personally, privately)
2
behind closed doors(expression, quietly, secretly, personally)
2
confidentially(quietly, secretly, personally, privately)
2
privately(quietly, secretly, personally, slyly)
1
between ourselves(expression, secretly, personally, privately)
1
between us(expression, secretly, personally, privately)
1
between you and me(expression, idiom, secretly, personally)
1
clandestinely
1
furtively
1
hushedly(secretly, personally, privately, confidentially)
1
in on the ground floor(expression, idiom, secretly, personally)
1
in private(expression, unknowing, hermetical, secretly)
1
off the cuff(expression, idiom, secretly, personally)
1
off the record(expression, idiom, secretly, personally)
1
on the Q.T.
1
on the QT(expression, unknowing, quietly, secretly)
1
on the q.t
1
on the sly(expression, idiom)
<12>
10 years ago|1.1k views|share |citing 
APASmart Define. (2016). in secret thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/in_secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "in secret thesaurus" https://smartdefine.org/in_secret/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, in secret thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/in_secret/thesaurus/synonyms>.
MLASmart Define. "in secret thesaurus" 19 February 2016. Web. 29 September 2026. <https://smartdefine.org/in_secret/thesaurus/synonyms>