Strong's #1948: howleluwth (pronounced ho-lay-looth')
from active participle of 1984; folly:--madness.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
hôlêlûth
1) madness
Part of Speech: noun feminine
Relation: from active participle of H1984
Usage:
This word is used 1 times:
Ecclesiastes 10:13: "and the end of his talk is mischievous madness."