Immature
Immature adjective - Having or showing the annoying qualities (as silliness) associated with children.
Usage example: an immature teenager who still threw tantrums
Jejune is a synonym for immature in childish topic. In some cases you can use "Jejune" instead an adjective "Immature", when it comes to topics like young.
Nearby Word: immaturity
Jejune
Jejune adjective - Having or showing the annoying qualities (as silliness) associated with children.
Usage example: an essay filled with jejune, simplistic opinions about international politics
Mutual synonyms
Related pairs
Cite this Source
Jejune and Immature. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/immature/jejune
Immature & Jejune. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/immature/jejune>.
Jejune or Immature. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/immature/jejune.
Google Ngram Viewer shows how "immature" and "jejune" have occurred on timeline