7 entries under show topic. ×

16
covertly(adverb, close, hideaway, arcane)
12
clandestinely(adverb, clandestine, furtively, slyly)
8
on the sly(expression, idiom, adverb, clandestine)
5
by stealth(expression, idiom, adverb, clandestine)
5
sub rosa(expression, adverb, clandestine, slyly)
2
under cover(expression, idiom, adverb, clandestine)
1
huggermugger
10 years ago|7k views|share |citing 
APASmart Define. (2016). secretly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/secretly/thesaurus/synonyms
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/secretly/thesaurus/synonyms>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 25 September 2026. <https://smartdefine.org/secretly/thesaurus/synonyms>