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

19 entries under sensitive topic. ×

6
secret(adjective, clandestine, underground, undisclosed)
3
backdoor(close, inside, clandestine, underground)
2
under-the-table(unknowing, clandestine, underground, undisclosed)
1
buttoned up(expression, adjective, mysterious, private)
1
classified(clandestine, underground, undisclosed, sub-rosa)
1
in ambush(expression, close, restricted, clandestine)
1
on the QT(expression, idiom, reticent, taciturn)
1
sub-rosa(close, clandestine, underground, undisclosed)
1
top secret(expression, close, inside, clandestine)
1
unacknowledged(close, inside, clandestine, underground)
1
under false pretense(expression, idiom, close, clandestine)
0
for eyes only(expression, idiom, sub-rosa)
0
hidden away(expression, sub-rosa)
0
kept concealed(expression, sub-rosa)
0
not for publication(expression, idiom, sub-rosa)
0
privileged
0
under the table(expression, idiom, close, inside)
0
under wraps(expression, clandestine, underground, undisclosed)
0
with a lid on(expression, idiom, sub-rosa)
For more, visit Backstairs on Power Thesaurus
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). backstairs thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/backstairs/thesaurus/synonyms
ChicagoSmart Define. 2015. "backstairs thesaurus" https://smartdefine.org/backstairs/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, backstairs thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/backstairs/thesaurus/synonyms>.
MLASmart Define. "backstairs thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/backstairs/thesaurus/synonyms>