godan verb (-ru), intransitive verb
sob; cry uncontrollably
Describes continuous, convulsive sobbing, often with gasping or hiccuping sounds. Emphasizes the physical act of crying hard.
彼女は悲しみで泣きじゃくっていた。
She was sobbing with grief.
子供が泣きじゃくりながら話した。
The child spoke while sobbing.