Immature
Immature adjective - Having or showing the annoying qualities (as silliness) associated with children.
Usage example: an immature teenager who still threw tantrums
Simple and immature are semantically related. In some cases you can use "Simple" instead an adjective "Immature".
Nearby Word: immaturity
Simple
Simple adjective - Lacking in worldly wisdom or informed judgment.
Usage example: developers mistakenly thought that the local residents were simple people who would sell their land for practically nothing
Immature and simple are semantically related. Sometimes you can use "Immature" instead an adjective "Simple".
Mutual synonyms
Related pairs
Cite this Source
Simple and Immature. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/immature/simple
Immature & Simple. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/immature/simple>.
Simple or Immature. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/immature/simple.
Google Ngram Viewer shows how "immature" and "simple" have occurred on timeline