Concealed
Concealed adjective - Not accessible to view.
Plain
Plain adjective - Free from all additions or embellishment.
Both words in one sentence
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Some of the best Geocache hiding places are right out in plain sight, though the cache itself will be concealed or disguised.
Source: Hidden in Plain Sight - The Op later realises that as he keeps this gun in plain sight, he probably has a second weapon concealed below the counter.
Source: Literature / The Continental Op - My coffin will be concealed and will be a plain wooden box.
Cite this Source
Plain and Concealed. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/concealed/plain
Concealed & Plain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/concealed/plain>.
Plain or Concealed. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/concealed/plain.
Google Ngram Viewer shows how "concealed" and "plain" have occurred on timeline