godan verb (-ku), intransitive verb
hang one's head; look down; cast one's eyes downward
Describes lowering the head or gaze, often from shame, sadness, or deep thought. Intransitive; the subject is the person who looks down.
叱られて、彼はうつむいたまま黙っていた。
Scolded, he stayed silent with his head hung.
恥ずかしくて、ずっとうつむいていた。
I was so embarrassed that I kept looking down the whole time.