ἄπιστος.The name given in scripture to the class of persons who have not faith in the divine revelation of the gospel. Luke 12:46; 1 Corinthians 6:6; 1 Corinthians 14:23; 2 Corinthians 6:14 . The word is translated 'infidel' in 2 Corinthians 6:15; 1 Timothy 5:8; and 'faithless' in Matthew 17:17; Mark 9:19; Luke 9:41; John 20:27 .