Curious
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Curious and unknown are semantically related. Sometimes you can use "Curious" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Mutual synonyms
Both words in one sentence
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Cure consists of pills, rotten eggs, vodka, dog shavings, unknown liquids, vodka, grapes, more vodka, and other curious ingredients.
Source: Hideous Hangover Cure -
And yet another curious case for fans of ONE, Mizuka Vs. Unknown.
- Mind Virus: "Curious Yellow", a virus that's done an unknown amount of damage...because one of the things the virus did was erase the memories of anyone who knew why it was released in the first place.
Source: Literature / Glasshouse
Cite this Source
Unknown and Curious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/curious/unknown
Curious & Unknown. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/curious/unknown>.
Unknown or Curious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/curious/unknown.
Google Ngram Viewer shows how "curious" and "unknown" have occurred on timeline