Emily Dickinson Lexicon

REP'RO-BATE, a. [L. reprobatus, reprobo, to disallow; re and probo, to prove.]

1. Not enduring proof or trial; not of standard purity or fineness; disallowed; rejected. Reprobate silver shall men call them, because the Lord hath rejected them. – Jer. vi.
2. Abandoned in sin; lost to virtue or grace. They profess that they know God, but in works deny him, being abominable and disobedient, and to every good work reprobate. – Tit. i.
3. Abandoned to error, or in apostasy. – 2 Tim. iii.