adulescentior
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγή τοῦ ἀγαθοῦ καί ἀεί ἀναβλύειν δυναμένη, ἐάν ἀεί σκάπτῃς → Dig within. Within is the wellspring of Good; and it is always ready to bubble up, if you just dig. | Look within. Within is the fountain of the good, and it will ever bubble up, if thou wilt ever dig.
Latin > English
adulescentior adulescentiari, adulescentiatus sum V DEP :: behave in a youthful manner
Latin > English (Lewis & Short)
ădŭlescentĭor: (not ădŏl-), āri, v. dep. id.,
I to behave like an adulescens: tu adhuc adulescentiaris, Varr. ap. Non. 71, 30.
Latin > French (Gaffiot 2016)
ădŭlēscentĭor, ārī, se comporter en jeune homme : Varro Men. 550.
Latin > German (Georges)
adulēscentior, ārī, (adulescens), wie ein Jüngling sich läppisch-, mutwillig betragen, Varr. sat. Men. 550.