New Revised Standard Version
Therefore, as the tongue of fire devours the stubble, and as dry grass sinks down in the flame, so their root will become rotten, and their blossom go up like dust; for they have rejected the instruction of the LORD of hosts, and have despised the word of the Holy One of Israel.

Contemporary English Version
You will go up in flames like straw and hay! You have rejected the teaching of the holy LORD God All-Powerful of Israel. Now your roots will rot, and your blossoms will turn to dust.

New American Bible
Therefore, as the tongue of fire licks up stubble, as dry grass shrivels in the flame, Their root shall rot and their blossom scatter like dust; For they have rejected the instruction of the LORD of hosts, and scorned the word of the Holy One of Israel.

Douay-Rheims Bible
Therefore as the tongue of the fire devoureth the stubble, and the heat of the flame consumeth it: so shall their root be as ashes, and their bud shall go up as dust: for they have cast away the law of the Lord of hosts, and have blasphemed the word of the Holy One of Israel.

Therefore as the tongue of the fire devoureth the stubble, and the heat of the flame consumeth it: so shall their root be as ashes, and their bud shall go up as dust: for they have cast away the law of the Lord of hosts, and have blasphemed the word of the Holy One of Israel.

fire.

Isaiah 47:14 Behold they are as stubble, fire hath burnt them, they shall not deliver themselves from the power of the flames: there are no coals wherewith they may be warmed, nor fire, that they may sit thereat.

Exodus 15:7 And in the multitude of thy glory thou hast put down thy adversaries: thou hast sent thy wrath, which hath devoured them like stubble.

Joel 2:5 They shall leap like the noise of chariots upon the tops of mountains, like the noise of a flame of fire devouring the stubble, as a strong people prepared to battle.

Nahum 1:10 For as thorns embrace one another: so while they are feasting and drinking together, they shall be consumed as stubble that is fully dry.

Malachi 4:1 For behold the day shall come kindled as a furnace: and all the proud, and all that do wickedly shall be stubble: and the day that cometh shall set them on fire, saith the Lord of hosts, it shall not leave them root, nor branch.

1 Corinthians 3:12,13 Now, if any man build upon this foundation, gold, silver, precious stones, wood, hay, stubble: . . .

the flame

Matthew 3:12 Whose fan is in his hand, and he will thoroughly cleanse his floor and gather his wheat into the barn; but the chaff he will burn with unquenchable fire.

Luke 3:17 Whose fan is in his hand: and he will purge his floor and will gather the wheat into his barn: but the chaff he will burn with unquenchable fire.

their root

Isaiah 9:14-17 And the Lord shall destroy out of Israel the head and the tail, him that bendeth down, and him that holdeth back, in one day. . . .

Job 18:16 Let his roots be dried up beneath, and his harvest destroyed above.

Hosea 9:16 Ephraim is struck, their root is dried up, they shall yield no fruit. And if they should have issue, I will slay the best beloved fruit of their womb.

Amos 2:9 Yet I cast out the Amorrhite before their face: whose height was like the height of cedars, and who was strong as an oak: and I destroyed his fruit from above, and his roots beneath.

cast away

1 Samuel 15:23,26 Because it is like the sin of witchcraft, to rebel: and like the crime of idolatry, to refuse to obey. Forasmuch, therefore, as thou hast rejected the word of the Lord, the Lord hath also rejected thee from being king. . . .

2 Kings 17:14,15 And they hearkened not, but hardened their necks like to the neck of their fathers, who would not obey the Lord, their God. . . .

Nehemiah 9:26 But they provoked thee to wrath, and departed from thee, and threw thy law behind their backs: and they killed thy prophets, who admonished them earnestly to return to thee: and they were guilty of great blasphemies.

Psalm 50:17 Seeing thou hast hated discipline: and hast cast my words behind thee.

Jeremiah 6:19 Hear, O earth: Behold I will bring evils upon this people, the fruits of their own thoughts: because they have not heard my words, and they have cast away my law.

Jeremiah 8:9 The wise men are confounded, they are dismayed, and taken: for they have cast away the word of the Lord, and there is no wisdom in them.

Luke 7:30 But the Pharisees and the lawyers despised the counsel of God against themselves, being not baptized by him.

John 12:48 He that despiseth me and receiveth not my words hath one that judgeth him. The word that I have spoken, the same shall judge him in the last day.

Hebrews 10:28,29 A man making void the law of Moses dieth without any mercy under two or three witnesses: . . .

despised

Isaiah 30:12 Therefore thus saith the Holy One of Israel: Because you have rejected this word, and have trusted in oppression and tumult, and have leaned upon it:

2 Samuel 12:9,10 Why therefore hast thou despised the word of the Lord, to do evil in my sight? Thou hast killed Urias the Hethite with the sword, and hast taken his wife to be thy wife, and hast slain him with the sword of the children of Ammon. . . .

Luke 10:16 He that heareth you heareth me: and he that despiseth you despiseth me: and he that despiseth me despiseth him that sent me.

Acts 13:41 Behold, ye despisers, and wonder and perish: for I work a work in your days, a work which you will not believe, if any man shall tell it you.

1 Thessalonians 4:9 But as touching the charity of brotherhood, we have no need to write to you: for yourselves have learned of God to love one another.