Plain
Plain adjective - Free from all additions or embellishment.
Unwrinkled and plain are semantically related. In some cases you can use "Unwrinkled" instead an adjective "Plain".
Unwrinkled
Unwrinkled adjective - Not wrinkled or creased.
Plain and unwrinkled are semantically related. Sometimes you can use "Plain" instead an adjective "Unwrinkled".
Cite this Source
Unwrinkled and Plain. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/plain/unwrinkled
Plain & Unwrinkled. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/plain/unwrinkled>.
Unwrinkled or Plain. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/plain/unwrinkled.
Google Ngram Viewer shows how "plain" and "unwrinkled" have occurred on timeline