Closed
Closed adjective - Not open.
Demonstrated and closed are semantically related. In some cases you can use "Demonstrated" instead an adjective "Closed".
Demonstrated
Demonstrated adjective - Having been demonstrated or verified beyond doubt.
Closed and demonstrated are semantically related. Sometimes you can use "Closed" instead an adjective "Demonstrated".
Mutual synonyms
Both words in one sentence
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Even supposedly closed-access systems aren't, as demonstrated by Chinese hackers stealing fighter jet plans from the US government.
Source: Everything Is Online -
Season 12: The father-daughter Hsu team demonstrated this by being able to deftly navigate around the closed roads in Italy, making their way to the Roadblock by back roads.
Source: The Navigator -
Niko is suspicious towards her, demonstrated when he notices that all of Michelle's furniture still has tags, how closed off he gets when she insists he can tell her anything, and when he thinks she might have drugged his drink on a date.
Source: Video Game / Grand Theft Auto IV
Cite this Source
Demonstrated and Closed. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/closed/demonstrated
Closed & Demonstrated. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/closed/demonstrated>.
Demonstrated or Closed. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/closed/demonstrated.
Google Ngram Viewer shows how "closed" and "demonstrated" have occurred on timeline