noun
fretful crying; whimpering
Describes the peevish, fussy crying of a baby or small child, often when tired or uncomfortable.
赤ちゃんのぐずり泣きがなかなか止まらない。
The baby's fretful crying just won't stop.
Compound of ぐずり (continuative form of ぐずる, 'to fuss') and 泣き (continuative form of 泣く, 'to cry').