adolescent in WordNet English dictionary

1. a juvenile between the onset of puberty and maturity
   adolescent  stripling  teenager  teen 
   

1. relating to or peculiar to or suggestive of an adolescent
   "adolescent problems"
   adolescent 
   
2. in the state of development between puberty and maturity
   "adolescent boys and girls"
   adolescent 
   
3. displaying or suggesting a lack of maturity
   "adolescent insecurity"; "jejune responses to our problems"; "their behavior was juvenile"; "puerile jokes"
   adolescent  jejune  juvenile  puerile 
   
4. being of the age 13 through 19
   "teenage mothers"; "the teen years"
   adolescent  teen  teenage  teenaged