also: むずがる · むつかる
godan verb (-ru), intransitive verb
fret; be peevish; be cross
Describes a young child being irritable, fussy, or whiny, often because of tiredness, hunger, or discomfort. The subject is typically a baby or small child.
赤ちゃんが眠くてむずかっている。
The baby is fretting because she's sleepy.
Our child gets peevish as soon as he's hungry.