Synonyms|128Antonyms|3|Broader|4Narrower|0Related|53

20 entries under expression topic. ×

3
back entrance(noun, idiom)
1
back door
1
in ambush(close, sensitive, inside, clandestine)
1
off the record(adjective, idiom, intimate, secret)
1
on the QT(idiom, obscure, sensitive, private)
1
top secret(close, sensitive, inside, clandestine)
1
under false pretense(idiom, close, sensitive, clandestine)
0
buttoned up(sensitive, sub-rosa)
0
cloak and dagger(idiom, obscure, unknown, unrevealed)
0
for eyes only(idiom, sensitive, sub-rosa)
0
hidden away(sensitive, sub-rosa)
0
in private(secret, private, confidential)
0
kept concealed(sensitive, sub-rosa)
0
not for publication(idiom, sensitive, secret, private)
0
not public(secret, private, confidential)
0
rear entrance
0
under cover(deep, unpublished)
0
under the table(idiom, close, sensitive, inside)
0
under wraps(sensitive, clandestine, underground, undisclosed)
0
with a lid on(idiom, sensitive, sub-rosa)
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APASmart Define. (2013). backdoor thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/backdoor/thesaurus/synonyms
ChicagoSmart Define. 2013. "backdoor thesaurus" https://smartdefine.org/backdoor/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, backdoor thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/backdoor/thesaurus/synonyms>.
MLASmart Define. "backdoor thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/backdoor/thesaurus/synonyms>