333 entries under adjective topic. ×
| knowing(deep, thoughtful, cunning, crafty) | |
| masked | |
| mystifying(evil, obscure, dark, strange) | |
| not for publication(expression, idiom, sensitive, private) | |
| psychological(private, mental, inner) | |
| reclusive(close, quiet, private, isolated) | |
| repressed(private, mental, inner) | |
| reticent(quiet, humble, distant, minor) | |
| skulking(private, hidden, sneaky, covert) | |
| subconscious(private, mental, inner) | |
| subtle(mean, smooth, deep, thoughtful) | |
| top secret(expression, sensitive, private, hidden) | |
| under cover(expression, spy, covert) | |
| unfathomable(obscure, dark, superior, strange) | |
| unofficial(private, personal, confidential, hush-hush) | |
| artful(mean, smooth, cunning, knowing) | |
| auricular(show, concealment) | |
| cloaked | |
| closemouthed(quiet, reserved, private, reticent) | |
| disorderly |
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| APA | Smart Define. (2016). secret thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/secret/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, secret thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>. |
| MLA | Smart Define. "secret thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms> |