Strong's #6349: pachaz (pronounced pakh'-az)
from 6348; ebullition, i.e. froth (figuratively, lust):--unstable.
Brown-Driver-Briggs Hebrew Lexicon:
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pachaz
1) recklessness, wantonness, unbridled license, frothiness
Part of Speech: noun masculine
Relation: from H6348
Usage:
This word is used 1 times:
Genesis 49:4: " Unstable as water, thou shalt not excel; because thou wentest up to thy father's bed;"