Mechanical
Mechanical adjective - Lacking in natural or spontaneous quality.
Usage example: a somewhat mechanical vocal performance
Plastic and mechanical are semantically related in synthetic topic. In some cases you can use "Plastic" instead the word "Mechanical" as an adjective or a noun.
Plastic
Plastic adjective - Lacking in natural or spontaneous quality.
Usage example: there's usually a plastic cordiality at these corporate events
Mechanical and plastic are semantically related in synthetic topic. Sometimes you can use "Mechanical" instead the word "Plastic" as an adjective or a noun.
Mutual synonyms
Both words in one sentence
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Early remote controls◊ were mechanical and did have plastic buttons that clicked into place when you pressed them (hence the nickname "clicker").
Source: The Coconut Effect -
Author Appeal: Cool Cars, Cool Planes, or anything else mechanical, thanks to his background in graphic design and love of plastic models.
Source: Creator / Akira Toriyama -
However, when said robots are damaged, it's revealed that they are hollow on the inside, with no circuits or machinery of any kind (even if they make mechanical whirring noises as they move around); just a strange blue ink that coats the inside of their hollow plastic bodies.
Source: Film / The World's End
Cite this Source
Plastic and Mechanical. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/mechanical/plastic
Mechanical & Plastic. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/mechanical/plastic>.
Plastic or Mechanical. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/mechanical/plastic.
Google Ngram Viewer shows how "mechanical" and "plastic" have occurred on timeline