1
covertly
1
in confidence
1
privately
1
surreptitiously
1
undercover
1
underground
0
hide
10 years ago|203 views|share |citing 
APASmart Define. (2016). secretly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/secretly/thesaurus/broader
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/broader (accessed September 23, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/secretly/thesaurus/broader>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 23 September 2026. <https://smartdefine.org/secretly/thesaurus/broader>