GOD'S WORD® Translation
Your many enemies will be like fine dust. Your many foes will be like husks blown by the wind. All of this will happen suddenly, unexpectedly.

American Standard Version
But the multitude of thy foes shall be like small dust, and the multitude of the terrible ones as chaff that passeth away: yea, it shall be in an instant suddenly.

Berean Study Bible
But your many foes will be like fine dust, the multitude of the ruthless like blowing chaff. Then suddenly, in an instant,

Douay-Rheims Bible
And the multitude of them that fan thee, shall be like small dust: and as ashes passing away, the multitude of them that have prevailed against thee.

English Revised Version
But the multitude of they foes shall be like small dust, and the multitude of the terrible ones as chaff that passeth away: yea, it shall be at an instant suddenly.

King James Bible
Moreover the multitude of thy strangers shall be like small dust, and the multitude of the terrible ones shall be as chaff that passeth away: yea, it shall be at an instant suddenly.

World English Bible
But the multitude of your foes will be like fine dust, and the multitude of the ruthless ones like chaff that blows away. Yes, it will be in an instant, suddenly.

Young's Literal Translation
And as small dust hath been The multitude of those scattering thee, And as chaff passing on the multitude of the terrible, And it hath been at an instant -- suddenly.

Isaiah 29:5 Additional Translations ...