Mark 9:19 ὁ δὲ ἀποκριθεὶς αὐτοῖς λέγει· ὦ γενεὰ ἄπιστος, ἕως πότε πρὸς ὑμᾶς ἔσομαι; ἕως πότε ἀνέξομαι ὑμῶν; φέρετε αὐτὸν πρός με.
He answered him, "Unbelieving generation, how long shall I be with you? How long shall I bear with you? Bring him to me."
Adjective: Vocative Singular Feminine

Luke 9:41 ἀποκριθεὶς δὲ ὁ Ἰησοῦς εἶπεν· ὦ γενεὰ ἄπιστος καὶ διεστραμμένη, ἕως πότε ἔσομαι πρὸς ὑμᾶς καὶ ἀνέξομαι ὑμῶν προσάγαγε ὧδε τὸν υἱόν σου.
Jesus answered, "Faithless and perverse generation, how long shall I be with you and bear with you? Bring your son here."
Adjective: Vocative Singular Feminine

John 20:27 εἶτα λέγει τῷ Θωμᾷ· φέρε τὸν δάκτυλόν σου ὧδε καὶ ἴδε τὰς χεῖράς μου καὶ φέρε τὴν χεῖρά σου καὶ βάλε εἰς τὴν πλευράν μου καὶ μὴ γίνου ἄπιστος ἀλλὰ πιστός.
Then he said to Thomas, "Reach here your finger, and see my hands. Reach here your hand, and put it into my side. Don't be unbelieving, but believing."
Adjective: Nominative Singular Masculine

1 Corinthians 7:14 ἡγίασται γὰρ ὁ ἀνὴρ ὁ ἄπιστος ἐν τῇ γυναικί καὶ ἡγίασται ἡ γυνὴ ἡ ἄπιστος ἐν τῷ ἀδελφῷ· ἐπεὶ ἄρα τὰ τέκνα ὑμῶν ἀκάθαρτά ἐστιν, νῦν δὲ ἅγιά ἐστιν.
For the unbelieving husband is sanctified in the wife, and the unbelieving wife is sanctified in the husband. Otherwise your children would be unclean, but now they are holy.
Adjective: Nominative Singular Masculine

1 Corinthians 7:14 ἡγίασται γὰρ ὁ ἀνὴρ ὁ ἄπιστος ἐν τῇ γυναικί καὶ ἡγίασται ἡ γυνὴ ἡ ἄπιστος ἐν τῷ ἀδελφῷ· ἐπεὶ ἄρα τὰ τέκνα ὑμῶν ἀκάθαρτά ἐστιν, νῦν δὲ ἅγιά ἐστιν.
For the unbelieving husband is sanctified in the wife, and the unbelieving wife is sanctified in the husband. Otherwise your children would be unclean, but now they are holy.
Adjective: Nominative Singular Feminine

1 Corinthians 7:15 εἰ δὲ ὁ ἄπιστος χωρίζεται, χωριζέσθω· οὐ δεδούλωται ὁ ἀδελφὸς ἢ ἡ ἀδελφὴ ἐν τοῖς τοιούτοις· ἐν δὲ εἰρήνῃ κέκληκεν ὑμᾶς ὁ θεός.
Yet if the unbeliever departs, let there be separation. The brother or the sister is not under bondage in such cases, but God has called us in peace.
Adjective: Nominative Singular Masculine

1 Corinthians 14:24 ἐὰν δὲ πάντες προφητεύωσιν, εἰσέλθῃ δέ τις ἄπιστος ἢ ἰδιώτης ἐλέγχεται ὑπὸ πάντων, ἀνακρίνεται ὑπὸ πάντων,
But if all prophesy, and someone unbelieving or unlearned comes in, he is reproved by all, and he is judged by all.
Adjective: Nominative Singular Masculine