Dark
Dark adjective - Having an often intentionally veiled or uncertain meaning.
Usage example: a troubled kid who was always muttering dark threats that someday they'd all be sorry
Mysterious is a synonym for dark in property topic. In some cases you can use "Mysterious" instead an adjective "Dark", when it comes to topics like secret, hidden, mystical.
Mysterious
Mysterious adjective - Being beyond one's powers to know, understand, or explain.
Usage example: the huge stone statues on Easter Island are ancient, mysterious, and haunting
Dark is a synonym for mysterious in property topic. You can use "Dark" instead an adjective "Mysterious", if it concerns topics such as secret, puzzling.
Nearby Words: mystery, mysteriously
Mutual synonyms
Both words in one sentence
- The heroes are journeying through some dangerous area—nearly always a dark and mysterious forest.
Source: Stay on the Path -
Suicide dresses in full-body spandex, appears out of nowhere to save people with violence, goes on and on about his dark and mysterious past... despite not being billed as a Super Hero, he's(they're) probably the purest example of The Cowl in wrestling history.
Source: The Cowl -
Batman has a couple of these as well, depending on if he's being dark and mysterious or is doing detective work.
Cite this Source
Mysterious and Dark. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dark/mysterious
Dark & Mysterious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dark/mysterious>.
Mysterious or Dark. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dark/mysterious.
Google Ngram Viewer shows how "dark" and "mysterious" have occurred on timeline