51 entries under expression topic. ×
| unexplored ground(idiom, secret, mystery, brain-twister) | |
| unexplored territory(idiom, secret, mystery, brain-twister) | |
| confidential information(confidence, secret, puzzle, mystery) | |
| cross-word puzzle(noun, difficult, issue, secret) | |
| dark secret(noun, secret, puzzle, mystery) | |
| ink crossword(noun, difficult, issue, secret) | |
| magic number(confidence, secret, puzzle, mystery) | |
| pictorial puzzle(noun, difficult, issue, secret) | |
| skeleton in cupboard(idiom, confidence, secret, puzzle) | |
| skeleton in the cupboard(idiom, confidence, secret, puzzle) | |
| double meaning(doubt, uncertainty, vagueness, haziness) |
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Enigma on
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| APA | Smart Define. (2016). enigma thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, enigma thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>. |
| MLA | Smart Define. "enigma thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms> |