10 entries under slyly topic. ×

10
secretly(adverb, show, clandestine, secretly, furtively)
3
quietly(noun, adverb, secretly, personally, privately)
2
clandestine(adjective, adverb, secretly, underhandedly)
1
insidiously(quietly, secretly, personally, privately, furtively)
1
intimately(quietly, secretly, personally, privately, furtively)
1
obscurely(adverb, quietly, secretly, personally, privately)
1
privily(adverb, quietly, secretly, personally, privately)
1
under wraps(expression, adverb, clandestine, secretly)
1
unobserved(quietly, secretly, personally, privately, furtively)
1
wildcat(adverb, clandestine, secretly, underhandedly)
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APASmart Define. (2013). clandestinely thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/clandestinely/thesaurus/synonyms
ChicagoSmart Define. 2013. "clandestinely thesaurus" https://smartdefine.org/clandestinely/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, clandestinely thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/clandestinely/thesaurus/synonyms>.
MLASmart Define. "clandestinely thesaurus" 17 June 2013. Web. 27 September 2026. <https://smartdefine.org/clandestinely/thesaurus/synonyms>