Verses with the word chaff in the Old Testament (12 verses):

Job 21:18
They are as stubble before the wind, and as chaff that the storm carrieth away.

Psalms 1:4
The ungodly are not so: but are like the chaff which the wind driveth away.

Psalms 35:5
Let them be as chaff before the wind: and let the angel of the LORD chase them.

Isaiah 5:24
Therefore as the fire devoureth the stubble, and the flame consumeth the chaff, so their root shall be as rottenness, and their blossom shall go up as dust: because they have cast away the law of the LORD of hosts, and despised the word of the Holy One of Israel.

Isaiah 17:13
The nations shall rush like the rushing of many waters: but God shall rebuke them, and they shall flee far off, and shall be chased as the chaff of the mountains before the wind, and like a rolling thing before the whirlwind.

Isaiah 29:5
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.

Isaiah 33:11
Ye shall conceive chaff, ye shall bring forth stubble: your breath, as fire, shall devour you.

Isaiah 41:15
Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.

Jeremiah 23:28
The prophet that hath a dream, let him tell a dream; and he that hath my word, let him speak my word faithfully. What is the chaff to the wheat? saith the LORD.

Daniel 2:35
Then was the iron, the clay, the brass, the silver, and the gold, broken to pieces together, and became like the chaff of the summer threshingfloors; and the wind carried them away, that no place was found for them: and the stone that smote the image became a great mountain, and filled the whole earth.

Hosea 13:3
Therefore they shall be as the morning cloud and as the early dew that passeth away, as the chaff that is driven with the whirlwind out of the floor, and as the smoke out of the chimney.

Zephaniah 2:2
Before the decree bring forth, before the day pass as the chaff, before the fierce anger of the LORD come upon you, before the day of the LORD's anger come upon you.