Synonyms|196Antonyms|18|Broader|2Narrower|0Related|63

16 entries under sub-rosa topic. ×

6
secret(adjective, sensitive, clandestine, underground, undisclosed)
3
backdoor(close, sensitive, inside, clandestine, underground)
2
under-the-table(sensitive, unknowing, clandestine, underground, undisclosed)
1
classified(sensitive, clandestine, underground, undisclosed)
1
in ambush(expression, close, sensitive, restricted, clandestine)
1
unacknowledged(close, sensitive, inside, clandestine, underground)
1
under false pretense(expression, idiom, close, sensitive, clandestine)
0
for eyes only(expression, idiom, sensitive)
0
hidden away(expression, sensitive)
0
kept concealed(expression, sensitive)
0
not for publication(expression, idiom, sensitive)
0
privileged
0
sensitive
0
under the table(expression, idiom, close, sensitive, inside)
0
under wraps(expression, sensitive, clandestine, underground, undisclosed)
0
with a lid on(expression, idiom, sensitive)
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APASmart Define. (2015). backstairs thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/backstairs/thesaurus/synonyms
ChicagoSmart Define. 2015. "backstairs thesaurus" https://smartdefine.org/backstairs/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, backstairs thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/backstairs/thesaurus/synonyms>.
MLASmart Define. "backstairs thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/backstairs/thesaurus/synonyms>