4
sub-rosa
4
under-the-table(adjective, secret)
1
backstage(adjective, secret, background)
1
backstairs
1
behind the curtain(adjective, secret, background)
1
clandestine
1
covert
1
furtive
1
hole-and-corner
1
hugger-mugger
1
hush-hush
1
in a corner(adjective, secret, background)
1
in the dark(adjective, secret, background)
1
intimate
1
secret
1
sub rosa(adjective, secret, background)
1
surreptitious
1
under the radar
1
undercover
1
underground
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APASmart Define. (2013). behind-the-scenes thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/behind-the-scenes/thesaurus/synonyms
ChicagoSmart Define. 2013. "behind-the-scenes thesaurus" https://smartdefine.org/behind-the-scenes/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, behind-the-scenes thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/behind-the-scenes/thesaurus/synonyms>.
MLASmart Define. "behind-the-scenes thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/behind-the-scenes/thesaurus/synonyms>