Strong’s H6191 · Hebrew

עָרַם

ʻâram · aw-ram'

Origin a primitive root;

Meaning properly, to be (or make) bare; but used only in the derivative sense (through the idea perhaps of smoothness) to be cunning (usually in a bad sense)

In the King James Version [idiom] very, beware, take crafty (counsel), be prudent, deal subtilly.

In 4 verses of the King James Version

1 Samuel 23:22Go, I pray you, prepare yet, and know and see his place where his haunt is, and who hath seen him there: for it is told me that he dealeth very subtilly.
Psalms 83:3They have taken crafty counsel against thy people, and consulted against thy hidden ones.
Proverbs 15:5A fool despiseth his father’s instruction: but he that regardeth reproof is prudent.
Proverbs 19:25Smite a scorner, and the simple will beware: and reprove one that hath understanding, and he will understand knowledge.

From James Strong’s Exhaustive Concordance of the Bible (1890): its Greek dictionary in the edition of Ulrik Petersen, its Hebrew and Chaldee dictionary in that of David Troidl and David Instone-Brewer; the King James words numbered as in the edition the site sets the King James Version from. Public domain.