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Webster 1913 Edition
Juvenility
Juˊve-nil′i-ty
,Noun.
pl. 
Juvenilities 
(#)
. [L. 
juvenilitas
: cf. F. juvénilité
.] 1. 
Youthfulness; adolescence. 
Glanvill.
 2. 
The manners or character of youth; immaturity. 
Glanvill.
 Webster 1828 Edition
Juvenility
JUVENIL'ITY
,Noun.
  1.
  Light and careless manner; the manners or customs of youth.Definition 2025
juvenility
juvenility
English
Noun
juvenility (countable and uncountable, plural juvenilities)
-  The state or quality of being juvenile.
- The plant grew from juvenility to maturity in a week.
 
 -  juvenile behaviour, writing, etc.
-  1828, The Eclectic Review (volume 1, page 574)
- The frantic fanaticism of this paragraph deprives us of all hope that Mr. Irving will, as we once fondly hoped, outgrow his juvenilities.
 
 
 -  1828, The Eclectic Review (volume 1, page 574)