The definition of callow is someone or something immature.
The definition of sophomoric is something immature or juvenile.
Concerned with or involving unimportant matters; superficial:
Composed of adults:
Of or characteristic of a child, especially in immaturity
Characteristic of or befitting a boy:
Being in an early period of life or growth; not old
Marked by or suggesting a lack of normal maturity:
The definition of childish is a person or thing that is silly, immature, like a child or directed at children.
Lacking worldly experience and understanding, especially:
Not cured or tanned:
Displaying or suggesting a lack of maturity; childish:
Not interesting; dull:
(Obs.) Simple; plain; innocent
Having little value or importance; trivial
The definition of youthful is someone who is young and vigorous, or is something that has the characteristics of someone young such as active and new.
Relating to, intended for, or befitting adults:
Acting with or exhibiting good judgment; reasonable:
Developing from childhood to maturity; growing up
Find another word for puerile. In this page you can discover 35 synonyms, antonyms, idiomatic expressions, and related words for puerile, like: callow, sophomoric, trivial, mature, youth, boyish, young, inexperienced, immature, childish and naive.