Lest there should be among you man, or woman, or family, or tribe, whose heart turneth away this day from the LORD our God, to go and serve the gods of these nations; lest there should be among you a root that beareth gall and wormwood; A root that beareth gall and wormwood - That is, as the apostle expresses it, Hebrews 3:12, An evil heart of unbelief departing from the living God; for to this place he evidently refers. It may also signify false doctrines, or idolatrous persons among themselves.
Related Commentaries of Deuteronomy 29:18
Deuteronomy 29:18
18 Lest there should be among you man, or woman, or family, or tribe, whose heart turneth away this day from the LORD our God, to go and serve the gods of these nations; lest there should be among you a root that beareth gallc and wormwood;