Mysterious
Mysterious adjective - Being beyond one's powers to know, understand, or explain.
Unsolved and mysterious are semantically related. In some cases you can use "Unsolved" instead an adjective "Mysterious".
Nearby Words: mystery, mysteriously
Unsolved
Unsolved adjective - Not solved.
Mysterious and unsolved are semantically related. Sometimes you can use "Mysterious" instead an adjective "Unsolved".
Mutual synonyms
Related pairs
- difficult and mysterious
- difficult and unsolved
- unfathomable and mysterious
- unfathomable and unsolved
- obscure and mysterious
- obscure and unsolved
- doubtful and mysterious
- doubtful and unsolved
- cryptic and mysterious
- cryptic and unsolved
- esoteric and mysterious
- esoteric and unsolved
- secret and mysterious
- secret and unsolved
Both words in one sentence
- Assassin's Creed III left three unsolved mysteries: Connor's ultimate fate, Juno's true plans for the world, and that mysterious voice at the very end.
Source: Left Hanging - Many of the "Updates" on Unsolved Mysteries dealing with mysterious disappearances were like this, with the victim's remains being found.
Source: Finally Found the Body -
Following the apparent suicide of a man named Karl van Sant, who posted a mysterious ad on Craigslist advertising himself as a "Runner," Nic begins searching for Tanis, which may be the last great unsolved mystery of our world.
Source: Podcast / TANIS
Cite this Source
Unsolved and Mysterious. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/mysterious/unsolved
Mysterious & Unsolved. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/mysterious/unsolved>.
Unsolved or Mysterious. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/mysterious/unsolved.
Google Ngram Viewer shows how "mysterious" and "unsolved" have occurred on timeline