Smooth
Smooth adjective - Having or showing very polished and worldly manners.
Unthreatening and smooth are semantically related. In some cases you can use "Unthreatening" instead an adjective "Smooth".
Unthreatening
Unthreatening adjective - Not unfriendly or threatening.
Smooth and unthreatening are semantically related. Sometimes you can use "Smooth" instead an adjective "Unthreatening".
Mutual synonyms
Related pairs
Cite this Source
Unthreatening and Smooth. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/smooth/unthreatening
Smooth & Unthreatening. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/smooth/unthreatening>.
Unthreatening or Smooth. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/smooth/unthreatening.
Google Ngram Viewer shows how "smooth" and "unthreatening" have occurred on timeline