Often used in literary contexts.
El piteo que sentía al recordar su infancia era a veces abrumador, pero también lleno de dulces memorias.
The pity he felt when recalling his childhood was sometimes overwhelming, yet also filled with sweet memories.
La piteo que sentía por la pérdida de su amigo era abrumadora y difícil de sobrellevar.
The sorrow he felt for the loss of his friend was overwhelming and hard to bear.