Dark secret
Enigma and dark secret are semantically related in mystery topic. In some cases you can use "Enigma" instead a noun phrase "Dark secret".
Enigma
Enigma noun - Something hard to understand or explain.
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Synonyms for Enigma
Dark secret and enigma are semantically related in mystery topic. You can use "Dark secret" instead a noun "Enigma".
Cite this Source
Enigma and Dark secret. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/dark_secret/enigma
Dark secret & Enigma. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/dark_secret/enigma>.
Enigma or Dark secret. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/dark_secret/enigma.
Google Ngram Viewer shows how "dark secret" and "enigma" have occurred on timeline