. . "displaying or suggesting a lack of maturity; \"adolescent insecurity\"; \"jejune responses to our problems\"; \"their behavior was juvenile\"; \"puerile jokes\""@en-us . . "301441196"@en-us . . . . "0.25"^^ . "puerile"@en-us . "adolescent"^^ . . . . "juvenile"@en-us . "301492596"@en-us . "01492596-a"^^ . "301492596"^^ . . . "adolescent"@en-us . "0.25"^^ . . "jejune"@en-us .