UNBELIE'F, noun 1. Incredulity; the withholding of belief; as, unbelief is blind. 2. Infidelity; disbelief of divine revelation. 3. In the New Testament, disbelief of the truth of the gospel, rejection of Christ as the Savior of men, and of the doctrines he taught; distrust of God's promises and faithfulness, etc. Matthew 13:58. Mark 16:14. Hebrews 3:12. Romans 4:20. 4. Weak faith. Mark 9:24.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI