Backslide
To draw back or apostatize in matters of religion (
Acts 21:21
;
2 Thessalonians 2:3
;
1 Timothy 4:1
). This may be either partial (
Proverbs 14:14
) or complete (
Hebrews 6:4
-6;
10:38
, 39). The apostasy may be both doctrinal and moral.
EastonsBibleDictionary.com