76 entries under adverb topic. ×

1
reticently
1
under wraps(expression, clandestine, slyly, underhandedly)
1
wildcat(clandestine, slyly, underhandedly, surreptitiously)
0
behind your back(slyly, surreptitiously)
0
blackly
0
closely
0
gloomily
0
irregularly
0
profoundly
0
reconditely
0
silently
0
sourly
0
sub sigillo
0
sullenly
0
trickly
0
unrecognizably
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APASmart Define. (2016). secretly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/secretly/thesaurus/synonyms
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/secretly/thesaurus/synonyms>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 27 September 2026. <https://smartdefine.org/secretly/thesaurus/synonyms>