Verses with the word reprobate in the New Testament (3 verses):

Romans 1:28
And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

2 Timothy 3:8
Now as Jannes and Jambres withstood Moses, so do these also resist the truth: men of corrupt minds, reprobate concerning the faith.

Titus 1:16
They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.