48 entries under adverb topic. ×

5
surreptitiously
4
furtively(noun, secretly, slyly, surreptitiously)
4
insidiously(adjective, secretly, slyly, surreptitiously)
4
slyly(noun, secretly, furtively, deceitfully)
3
clandestinely
3
cleverly
3
craftily
3
deviously
3
secretly(furtively, slyly, surreptitiously)
3
shiftily
3
stealthily(noun, secretly, furtively, slyly)
2
astutely
2
covertly
2
deceitfully
2
meanly
1
contemptibly
1
cunningly
1
quietly
1
secretively
1
shrewdly
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APASmart Define. (2015). sneakily thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sneakily/thesaurus/synonyms
ChicagoSmart Define. 2015. "sneakily thesaurus" https://smartdefine.org/sneakily/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sneakily thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sneakily/thesaurus/synonyms>.
MLASmart Define. "sneakily thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/sneakily/thesaurus/synonyms>