Improved and Undeveloped

Opposite meaning words

Improved adjective - Being far along in development.

Usage example: an improved version of the software is now available

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Undeveloped is an antonym for improved.

Undeveloped adjective - Undeveloped or unused.

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Improved is an antonym for undeveloped.

Cite this Source

Undeveloped and Improved. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/improved/undeveloped

Improved & Undeveloped. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/improved/undeveloped>.

Undeveloped or Improved. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/improved/undeveloped.

Google Ngram Viewer shows how "improved" and "undeveloped" have occurred on timeline