Deuteronomy 13:15

15 thou shalt surely smite the inhabitants of that city with the edge of the sword, devoting it to destruction, and all that is therein, and the cattle thereof, with the edge of the sword.

Deuteronomy 13:15 Meaning and Commentary

Deuteronomy 13:15

Thou shalt surely smite the inhabitants of that city with the
edge of the sword
This could not be the work of a single person, nor of the whole sanhedrim, but was what the whole nation was to join in, according to the above note:

destroying it utterly;
pulling down the houses, and demolishing its walls and fortifications, or burning it, as afterwards explained:

and all that is therein;
men, women, and children:

and the cattle thereof, with the edge of the sword;
this severity was used to show the Lord's indignation against the sin of idolatry, and to deter persons from it, both individuals and bodies of men.

Deuteronomy 13:15 In-Context

13 There are men, children of Belial, gone out from among you, and they have drawn away the inhabitants of their city, saying, Let us go and serve other gods, whom ye have not known;
14 then shalt thou inquire, and make search, and ask diligently; and if it be truth, [and] the thing be certain, that this abomination hath happened in the midst of thee,
15 thou shalt surely smite the inhabitants of that city with the edge of the sword, devoting it to destruction, and all that is therein, and the cattle thereof, with the edge of the sword.
16 And all the spoil of it shalt thou gather into the midst of the open place thereof, and shalt burn the city with fire, and all the spoil thereof, wholly to Jehovah thy God; and it shall be a heap for ever; it shall not be built again.
17 And thou shalt not let anything cleave to thy hand of the devoted thing; that Jehovah may turn from the fierceness of his anger, and shew thee mercy, and have compassion upon thee, and multiply thee, as he hath sworn unto thy fathers;
The Darby Translation is in the public domain.