Open
Open adjective - Allowing passage without obstruction.
Unsolved
Unsolved adjective - Not solved.
Both words in one sentence
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Hisaya Hisakawa SHSL Arson InvestigatorWhile most arsons remain unsolved, a string of serial arsons in Kushiro Subprefecture was blown open (so to speak) by an unlikely source.
Source: Characters / Kyuupiikei -
LAPD detective Harry Bosch investigates cold cases in several of his novels, and in the later novels of the series leads a unit specializing in "open-unsolved" cases.
Source: Revisiting the Cold Case -
Also, the white board in the Homicide division that shows all the open cases, unsolved ones in red.
Source: Series / The Wire
Cite this Source
Unsolved and Open. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/open/unsolved
Open & Unsolved. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/open/unsolved>.
Unsolved or Open. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/open/unsolved.
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