Synonyms|110Antonyms|3|Broader|1Narrower|0Related|37

21 entries under hidden topic. ×

3
private(adjective, secret, sneaky, covert)
2
on the QT(expression, adjective, idiom, adverb, secret)
2
secret(adjective, private, sneaky, covert)
1
clandestine(adjective, adverb, secret, private)
1
covert(adjective, secret, private, sneaky)
1
hole-and-corner(adjective, secret, private, fraudulent)
1
sneaking(adjective, secret, private, fraudulent)
1
sub-rosa(adjective, secret, private, covert)
1
under-the-table(adjective, secret, private, sneaky)
1
undercover(adjective, adverb, secret, private)
0
fraudulent(adjective, secret, private, sneaky)
0
furtive(adjective, secret, private, sneaky)
0
secretive(secret, private, subversive, dissident)
0
skulking(adjective, secret, private, sneaky)
0
slinking(adjective, secret, private, sneaky)
0
sly(adjective, secret, private, sneaky)
0
sneaky(adjective, secret, private, covert)
0
stealthy(adjective, secret, private, sneaky)
0
unauthorized(adjective, secret, private, sneaky)
0
underhand(adjective, secret, private, sneaky)
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APASmart Define. (2015). on the sly thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/on_the_sly/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the sly thesaurus" https://smartdefine.org/on_the_sly/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, on the sly thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/on_the_sly/thesaurus/synonyms>.
MLASmart Define. "on the sly thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/on_the_sly/thesaurus/synonyms>