49 entries under secret topic. ×

5
covert(adjective, private, hidden, clandestine)
5
furtive(adjective, private, hidden, clandestine)
5
sub-rosa(adjective, sensitive, private, hidden)
4
behind-the-scenes
4
hush-hush(adjective, private, hidden, clandestine)
4
surreptitious(adjective, hidden, clandestine, sneaky)
2
clandestine(private, hidden, underground, sneaky)
2
privy(hidden, clandestine, underground, underhanded)
2
skulking(private, hidden, sneaky, covert)
2
sly(private, hidden, clandestine, sneaky)
2
sneaking(private, hidden, sneaky, covert)
2
sneaky(private, hidden, clandestine, underground)
2
stealthy(private, hidden, clandestine, sneaky)
2
unauthorized(private, hidden, sneaky, covert)
2
undercover(private, hidden, clandestine, sneaky)
2
underground(clandestine, undisclosed)
2
underhanded(hidden, clandestine, underground, sneaky)
1
QT(hidden, unknowing, clandestine, underground)
1
camouflaged(hidden, clandestine, underground, undisclosed)
1
classified(sensitive, clandestine, underground, undisclosed)
<123>
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). under-the-table thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/under-the-table/thesaurus/synonyms
ChicagoSmart Define. 2015. "under-the-table thesaurus" https://smartdefine.org/under-the-table/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, under-the-table thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/under-the-table/thesaurus/synonyms>.
MLASmart Define. "under-the-table thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/under-the-table/thesaurus/synonyms>