Clean
Clean adjective - Free from dirt or stain.
Unthreatening and clean are semantically related. In some cases you can use "Unthreatening" instead an adjective "Clean".
Unthreatening
Unthreatening adjective - Not unfriendly or threatening.
Clean and unthreatening are semantically related. Sometimes you can use "Clean" instead an adjective "Unthreatening".
Both words in one sentence
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Their metier was parody, and their target was the medium they worked in: "Our original premise was that radio was too pompous." The material was clean and on the surface unthreatening, a kind of gently inconsequential drollery that hid a razor-sharp satirical edge.
Source: Radio / Bob & Ray
Cite this Source
Unthreatening and Clean. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/clean/unthreatening
Clean & Unthreatening. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/clean/unthreatening>.
Unthreatening or Clean. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/clean/unthreatening.
Google Ngram Viewer shows how "clean" and "unthreatening" have occurred on timeline