Stood up against. — ‘Amad ‘al, a late usage. (So 1 Chronicles 21:1.)
Utterly to slay. — To exterminate (hacharîm), devote to destruction.
Made an end of. — Finished with. (See on 2 Chronicles 20:22, “begin with,” and compare Genesis 44:12.)
Every one helped ... another. — Literally, they helped, each against (or, in the case of) his fellow, for destruction (mashchîth, 2 Chronicles 22:4; Ezekiel 5:16).