To pull apart or into pieces by force. She accidentally tore the paper while trying to remove it from the notebook.
To make a hole or split in something by force. He tore his shirt on the fence as he climbed over.
To move very quickly in a reckless or excited manner. The children tore through the house, laughing and shouting.
Of the eyes: to fill with tears or to produce tears. His eyes tear whenever he chops onions.