Nonirritant
Plain and nonirritant are semantically related. In some cases you can use "Plain" instead an adjective "Nonirritant".
Plain
Plain adjective - Free from all additions or embellishment.
Nonirritant and plain are semantically related. Sometimes you can use "Nonirritant" instead an adjective "Plain".
Cite this Source
Plain and Nonirritant. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/nonirritant/plain
Nonirritant & Plain. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/nonirritant/plain>.
Plain or Nonirritant. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/nonirritant/plain.
Google Ngram Viewer shows how "nonirritant" and "plain" have occurred on timeline