"The bully hadn't been expecting his victim to fight back, and now the bully has quadriplegia.; During the Pearl Harbor attack, the U.S. Navy began fighting back, and it wouldn't stop until August 1945."
2.VerbTo counterattack (counterstrike); to resist an attack or respond after one.
"During the Pearl Harbor attack, the U.S. Navy began fighting back, and it wouldn't stop until August 1945."
3.Verbto repress; to struggle to repress.
"fight back tears; She tried to fight back her laughter.; It was especially after the Battle of Midway that the U.S. was able to fight the Japanese back toward their home islands."