Flat
Open
Open adjective - Allowing passage without obstruction.
Both words in one sentence
- It's faster-paced than flat-track roller derby, lends itself to a more wide-open play style, and has tighter scores.
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Or guys with large guns, standing flat-footed, breathing softly with their mouths open.
Source: Nothing Is Scarier -
Strangely enough, ship cargo docks are considered "indoors" for this behavior, despite being large unobstructed flat areas open to the sky.
Source: Video Game / DayZ
Cite this Source
Open and Flat. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flat/open
Flat & Open. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flat/open>.
Open or Flat. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flat/open.
Google Ngram Viewer shows how "flat" and "open" have occurred on timeline