Conventional
Conventional adjective - Accepted, used, or practiced by most people.
Plastic and conventional are semantically related. In some cases you can use "Plastic" instead an adjective "Conventional".
Plastic
Plastic adjective - Lacking in natural or spontaneous quality.
Usage example: there's usually a plastic cordiality at these corporate events
Conventional and plastic are semantically related. Sometimes you can use "Conventional" instead an adjective "Plastic".
Both words in one sentence
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A later arc showed that he's changed his appearance, with both rejuvenation and conventional plastic surgery, several times in the past.
Source: The Nth Doctor - Some CD editions replicate this; conventional plastic CD cases have the textless photos on the booklet (any one of three can be displayed depending on how the booklet is folded).
Source: Textless Album Cover
Cite this Source
Plastic and Conventional. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/conventional/plastic
Conventional & Plastic. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/conventional/plastic>.
Plastic or Conventional. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/conventional/plastic.
Google Ngram Viewer shows how "conventional" and "plastic" have occurred on timeline