Synonyms|289Antonyms|73|Broader|7Narrower|5Related|182
4
hiddenly(adverb, covertly)
4
on the quiet(expression, idiom, adverb, clandestine, slyly)
4
secret
3
mysteriously
3
behind closed doors(expression, idiom, slyly, confidentially, surreptitiously)
3
behind the scenes(expression, idiom, latency implication)
3
clandestine(adjective, adverb, slyly, underhandedly, surreptitiously)
3
in camera(expression, adverb, clandestine, slyly, underhandedly)
3
obscurely(adverb, covertly)
3
off the record(expression, idiom, softly, gently, modestly)
3
privily
3
undercover(adjective, adverb, clandestine, slyly, underhandedly)
3
underground
2
anonymously(adverb, covertly)
2
back
2
confidential
2
cryptically
2
darkly
2
disguisedly(adverb, covertly)
2
esoterically
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APASmart Define. (2016). secretly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/secretly/thesaurus/synonyms
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/secretly/thesaurus/synonyms>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 24 September 2026. <https://smartdefine.org/secretly/thesaurus/synonyms>