95 entries under expression topic. ×
| in ambush(adjective, sensitive, clandestine, underhand) | |
| in the background(idiom, obscure, remote, faraway) | |
| in the boonies(idiom, obscure, remote, faraway) | |
| in the distance(idiom, obscure, remote, faraway) | |
| in the sticks(idiom, obscure, remote, faraway) | |
| in the wings | |
| magic number(noun, confidence, perplexity, mystery) | |
| middle of nowhere(idiom, obscure, remote, faraway) | |
| mystery of mysteries | |
| not home(obscure, remote, faraway, far-off) | |
| not known(adjective, idiom, evil, deep) | |
| off the beaten track(idiom, close, quiet, remote) | |
| on the QT(adjective, idiom, dishonest, private) | |
| on the quiet(idiom, dishonest, cunning, deceitful) | |
| out of earshot(idiom, obscure, remote, faraway) | |
| out of range(idiom, obscure, remote, faraway) | |
| out of reach(idiom, obscure, remote, faraway) | |
| privileged information(noun, confidence, perplexity, mystery) | |
| pushed aside(unseen, ignored, undiscovered, overlooked) | |
| sixty-four-thousand-dollar question(question, puzzle, obscurity, subtlety) |
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| APA | Smart Define. (2016). secret thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/secret/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, secret thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>. |
| MLA | Smart Define. "secret thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms> |