Controversial
Controversial adjective - Relating to or causing the expression of opposing opinions.
Open and controversial are semantically related in opinion topic. In some cases you can use "Open" instead an adjective "Controversial", when it comes to topics like debatable.
Mutual synonyms
Both words in one sentence
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This was the celebrated glass-windowed open-market celebrated in many French novels and films, the subject of philosopher Walter Benjamin's The Arcades Project, the destruction was widely resented and remains quite controversial to this day.
Source: Useful Notes / Paris -
A subfaction of pro-gun proponents advocate militantly open-carrying wherever it's legal to do so, a practice that is controversial even within the pro-gun community, depending on the intent and exactly what weapons are carried / how they are carried.
Source: Guns in Church
Cite this Source
Open and Controversial. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/controversial/open
Controversial & Open. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/controversial/open>.
Open or Controversial. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/controversial/open.
Google Ngram Viewer shows how "controversial" and "open" have occurred on timeline