Verses with the word unpunished in the Old Testament (9 verses):

Proverbs 11:21
Though hand join in hand, the wicked shall not be unpunished: but the seed of the righteous shall be delivered.

Proverbs 16:5
Every one that is proud in heart is an abomination to the LORD: though hand join in hand, he shall not be unpunished.

Proverbs 17:5
Whoso mocketh the poor reproacheth his Maker: and he that is glad at calamities shall not be unpunished.

Proverbs 19:5
A false witness shall not be unpunished, and he that speaketh lies shall not escape.

Proverbs 19:9
A false witness shall not be unpunished, and he that speaketh lies shall perish.

Jeremiah 25:29
For, lo, I begin to bring evil on the city which is called by my name, and should ye be utterly unpunished? Ye shall not be unpunished: for I will call for a sword upon all the inhabitants of the earth, saith the LORD of hosts.

Jeremiah 30:11
For I am with thee, saith the LORD, to save thee: though I make a full end of all nations whither I have scattered thee, yet I will not make a full end of thee: but I will correct thee in measure, and will not leave thee altogether unpunished.

Jeremiah 46:28
Fear thou not, O Jacob my servant, saith the LORD: for I am with thee; for I will make a full end of all the nations whither I have driven thee: but I will not make a full end of thee, but correct thee in measure; yet will I not leave thee wholly unpunished.

Jeremiah 49:12
For thus saith the LORD; Behold, they whose judgment was not to drink of the cup have assuredly drunken; and art thou he that shall altogether go unpunished? thou shalt not go unpunished, but thou shalt surely drink of it.