Grownup and Undeveloped

Opposite meaning words

Grownup adjective - (of animals) fully developed.

Show all Definitions

Undeveloped is an antonym for grownup in topics: developed, experienced.

Undeveloped adjective - Undeveloped or unused.

Show all Definitions

Grownup is an antonym for undeveloped.

Cite this Source

Undeveloped and Grownup. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/grownup/undeveloped

Grownup & Undeveloped. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/grownup/undeveloped>.

Undeveloped or Grownup. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/grownup/undeveloped.

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