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

16 entries under close topic. ×

9
furtive(adjective, mysterious, reticent, taciturn)
3
backdoor(sensitive, inside, clandestine, underground)
2
cryptic(adjective, mysterious, private, reticent)
1
camouflaged(clandestine, underground, undisclosed, furtive)
1
discreet(restricted, inside, clandestine, underground)
1
dissembled(restricted, clandestine, underground, discreet)
1
dissimulated(restricted, inside, clandestine, underground)
1
in ambush(expression, sensitive, restricted, clandestine)
1
incognito(restricted, clandestine, underground, discreet)
1
inside(restricted, clandestine, underground, discreet)
1
sneak(restricted, inside, clandestine, underground)
1
sub-rosa(sensitive, clandestine, underground, undisclosed)
1
top secret(expression, sensitive, inside, clandestine)
1
unacknowledged(sensitive, inside, clandestine, underground)
1
under false pretense(expression, idiom, sensitive, clandestine)
0
under the table(expression, idiom, sensitive, inside)
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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>