Strong's #877: aphrosune (pronounced af-ros-oo'-nay)

from 878; senselessness, i.e. (euphemistically) egotism; (morally) recklessness:--folly, foolishly(-ness).

Thayer's Greek Lexicon:

̓́

aphrosunē

1) foolishness, folly, senselessness

2) thoughtlessness, recklessness

Part of Speech: noun feminine

Relation: from G878

Citing in TDNT: 9:220, 1277

Usage:

This word is used 4 times:

 

Mark 7:22: "eye, blasphemy, pride, foolishness:"
2 Corinthians 11:1: "ye could bear with me a little in my folly: and indeed bear with me."
2 Corinthians 11:17: "the Lord, but as it were foolishly, in this confidence"
2 Corinthians 11:21: "whereinsoever any is bold, I (speak foolishly,) I am bold also."