Definitions of wrestle:

• noun:   the act of engaging in close hand-to-hand combat

  Example: "They had a fierce wrestle"

• verb:   engage in deep thought, consideration, or debate

  Example: "I wrestled with this decision for years"

• verb:   combat to overcome an opposing tendency or force

  Example: "He wrestled all his life with his feeling of inferiority"

• verb:   engage in a wrestling match

  Example: "The children wrestled in the garden"

• verb:   to move in a twisting or contorted motion, (especially when struggling)