35 entries under adverb topic. ×

20
secretly(close, hideaway, arcane, stealth)
14
stealthily(noun, close, hideaway, arcane)
13
privately(close, hideaway, arcane, stealth)
13
surreptitiously(noun, close, hideaway, arcane)
11
slyly(noun, clandestine, quietly, secretly)
10
covertly(noun, close, hideaway, arcane)
8
underhandedly(noun, close, hideaway, arcane)
7
on the sly(noun, expression, idiom, clandestine)
7
sneakily(noun, secretly, slyly, surreptitiously)
6
clandestinely(noun, clandestine, quietly, secretly)
6
secretively(close, hideaway, arcane, stealth)
5
latently(close, hideaway, arcane, stealth)
5
quietly(noun, secretly, personally, privately)
5
sub rosa(expression, clandestine, quietly, personally)
3
craftily
3
cryptically
3
in secret(expression, idiom)
3
mysteriously
3
on the q.t
3
or Q.T.
<12>
11 years ago|4k views|share |citing 
APASmart Define. (2015). furtively thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/furtively/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtively thesaurus" https://smartdefine.org/furtively/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, furtively thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/furtively/thesaurus/synonyms>.
MLASmart Define. "furtively thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/furtively/thesaurus/synonyms>