Strong G571 ἄπιστος apistos · unbelieving

Luke

1. Luke 9:41
   And Jesus answering said, O faithless and perverse generation, how long shall I be with you, and suffer you? Bring thy son hither.
2. Luke 12:46
   The lord of that servant will come in a day when he looketh not for him, and at an hour when he is not aware, and will cut him in sunder, and will appoint him his portion with the unbelievers.