Luke 15:13 καὶ μετ' οὐ πολλὰς ἡμέρας συναγαγὼν πάντα ὁ νεώτερος υἱὸς ἀπεδήμησεν εἰς χώραν μακράν καὶ ἐκεῖ διεσκόρπισεν τὴν οὐσίαν αὐτοῦ ζῶν ἀσώτως.
Not many days after, the younger son gathered all of this together and traveled into a far country. There he wasted his property with riotous living.
Adjective: Nominative Singular Masculine

Luke 22:26 ὑμεῖς δὲ οὐχ οὕτως, ἀλλ' ὁ μείζων ἐν ὑμῖν γινέσθω ὡς ὁ νεώτερος καὶ ὁ ἡγούμενος ὡς ὁ διακονῶν.
But not so with you. But one who is the greater among you, let him become as the younger, and one who is governing, as one who serves.
Adjective: Nominative Singular Masculine

John 21:18 ἀμὴν ἀμὴν λέγω σοι, ὅτε ἦς νεώτερος, ἐζώννυες σεαυτὸν καὶ περιεπάτεις ὅπου ἤθελες· ὅταν δὲ γηράσῃς ἐκτενεῖς τὰς χεῖράς σου, καὶ ἄλλος ζώσει ⇔ σε καὶ οἴσει ὅπου οὐ θέλεις.
Most certainly I tell you, when you were young, you dressed yourself, and walked where you wanted to. But when you are old, you will stretch out your hands, and another will dress you, and carry you where you don't want to go."
Adjective: Nominative Singular Masculine