Strong's #2973: ya'al (pronounced yaw-al')

a primitive root; properly, to be slack, i.e. (figuratively) to be foolish:--dote, be (become, do) foolish(-ly).

Brown-Driver-Briggs Hebrew Lexicon:

yâ'al

1) to be foolish, become fools, act foolishly, show wicked folly

1a) (Niphal)

1a1) to show wicked folly

1a2) to become fools

Part of Speech: verb

Relation: a primitive root

Usage:

This word is used 4 times:

 

Numbers 12:11: "the sin upon us, wherein we have done foolishly, and wherein we have sinned."
Isaiah 19:13: "The princes of Zoan are become fools, the princes of Noph are deceived; they have also seduced"
Jeremiah 5:4: "Surely these are poor; they are foolish: for they know not the way"
Jeremiah 50:36: "A sword is upon the liars; and they shall dote: a sword is upon her mighty men; and they shall be dismayed."