3
seclusion
3
seclusive(close, quiet, isolated, secluded, reclusive)
3
secretive(adjective, reserved, mysterious, secret, reticent)
3
secretively
3
segregated(adjective, single, alone, isolation, apart)
3
sneakily
3
snobbish
3
squaddie(noun, soldier, sapper)
3
sub rosa
3
surreptitiously
3
téte-å-téte
3
top secret(expression, secret, clandestine, underground, undisclosed)
3
unpublished(adjective, obscure, unknown, clandestine, underground)
3
untold(adjective, many)
2
GI(noun, service, soldier, sapper)
2
absolute
2
abstruse(adjective, obscure, secret, unknown, hidden)
2
apart(adjective, adverb, single, alone, isolation)
2
aristocratic(adjective, special, limited, select, absolute)
2
artful(adjective, hidden, fraudulent)
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APASmart Define. (2016). private thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/private/thesaurus/synonyms
ChicagoSmart Define. 2016. "private thesaurus" https://smartdefine.org/private/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, private thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/private/thesaurus/synonyms>.
MLASmart Define. "private thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/private/thesaurus/synonyms>