Plastic and Unchangeable
Opposite meaning words
Plastic
Plastic adjective - Capable of being easily molded or modeled.
Unchangeable is an antonym for plastic.
Unchangeable
Unchangeable adjective - Not capable of changing or being changed.
Usage example: I'm afraid that my opinion on this matter is unchangeable
Plastic is an antonym for unchangeable.
Cite this Source
Unchangeable and Plastic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plastic/unchangeable
Plastic & Unchangeable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plastic/unchangeable>.
Unchangeable or Plastic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plastic/unchangeable.
Google Ngram Viewer shows how "plastic" and "unchangeable" have occurred on timeline