Strong's Definition
feminine of 3689; in a good sense, trust; in a bad one, silliness
KJV Usage: confidence, folly
STEPBible — Tyndale Abridged Hebrew Lexicon
כִּסְלָה (kis.lah) — confidence. 1) confidence 2) folly, stupidity
UBS Dictionary of Biblical Hebrew
noun f · כסל
Confident
confidence, trust = state where humans feel confident◄ due to their reliance on God or something else for protection
noun f · כסל
Foolish
foolishness, folly = state in which humans lack wisdom, ◄ possibly due to overconfidence, ► which can manifest itself, among other things, in relying on wealth rather than on God
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
כִּסְלָה n.f. stupidity
confidence
base