5
dark(adjective, close, reticent, secretive, closemouthed)
5
timid
4
ruminative
3
covert
2
awesome
2
underwear
2
astrological(constellation, astrology, stars)
2
conundrum
2
deep knowledge
2
enigma
2
esoteric(adjective, constellation, astrology, stars)
2
out of touch
2
selfish
2
unique
2
zodiac(constellation, astrology, stars)
1
last in line
1
spiritual(constellation, astrology, stars)
1
winning formula(noun, ticket, gateway, passport)
1
abstruse(constellation, astrology, stars)
1
apocrypha
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APASmart Define. (2016). secret thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/secret/thesaurus/related
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/related (accessed September 25, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/secret/thesaurus/related>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/secret/thesaurus/related>