5 entries under slyly topic. ×

7
secretly(adverb, confidentially, surreptitiously)
3
covertly(adverb, quietly, secretly, personally, privately)
2
confidentially(adverb, quietly, secretly, personally, privately)
2
privately(adverb, quietly, secretly, personally)
1
personally(adverb, quietly, secretly, privately)
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APASmart Define. (2016). in secret thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/in_secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "in secret thesaurus" https://smartdefine.org/in_secret/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, in secret thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/in_secret/thesaurus/synonyms>.
MLASmart Define. "in secret thesaurus" 19 February 2016. Web. 30 September 2026. <https://smartdefine.org/in_secret/thesaurus/synonyms>