Immature
Immature adjective - Having or showing the annoying qualities (as silliness) associated with children.
Usage example: an immature teenager who still threw tantrums
Naive and immature are semantically related in childish topic. In some cases you can use "Naive" instead an adjective "Immature".
Nearby Word: immaturity
Naive
Naive adjective - Lacking in worldly wisdom or informed judgment.
Usage example: a first-time buyer who was so naive that he believed the salesman's spiel and paid good money for the rusty and broken-down car
Immature and naive are semantically related in gullible topic. Sometimes you can use "Immature" instead an adjective "Naive".
Mutual synonyms
Both words in one sentence
- Lampshaded by Marcus in tormenting Leo, using "green" in the sense of greenhorn, an immature or naive person.
Source: Literature / The Go-Between - She isn't exactly The Ditz, but generally shown to be a bit more naive and immature than the rest of the staff.
Source: Series / Hey Dude! -
She's a little older than some of the girls on this page (17), but due to her lonely past she is very unsocialized when we first see her, and is very naive and immature as a result.
Source: Smitten Teenage Girl
Cite this Source
Naive and Immature. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/immature/naive
Immature & Naive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/immature/naive>.
Naive or Immature. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/immature/naive.
Google Ngram Viewer shows how "immature" and "naive" have occurred on timeline