also: いよだつ
godan verb (-tsu), intransitive verb
Used almost exclusively in the fixed expression 身の毛がよだつ (or 身の毛もよだつ), meaning one's hair stands on end from fear or horror.
See also: 身の毛がよだつ
その話を聞いて身の毛がよだった。
My hair stood on end when I heard that story.
身の毛もよだつような恐ろしい光景だった。
It was a terrifying sight that made my hair stand on end.