כִּ֥י כָלָ֖ה וְנֶחֱרָצָ֑ה אֲדֹנָ֤י יְהוִה֙ צְבָא֔וֹת עֹשֶׂ֖ה בְּקֶ֥רֶב כָּל־הָאָֽרֶץ׃ (ס)
For an extermination wholly determined Shall the Lord, the GOD of hosts, make in the midst of all the earth.
Rashi on Isaiah
For destruction and annihilation you shall see that the Holy One, blessed be He, executes upon the wicked, and you shall humble yourselves and return to Him.
Ibn Ezra on Isaiah
נחרצה. A decree is made by God.18Supply the feminine noun נזרה, decree, to the adj. נחרצה. Comp. חרצת (1 Kings 20:40)