Definition of "Struggle" :
noun: strenuous effort
"The struggle to get through the crowd exhausted her."
noun: an energetic attempt to achieve something
"Getting through the crowd was a real struggle."
noun: an open clash between two opposing groups (or individuals)
verb: be engaged in a fight; carry on a fight
verb: to exert strenuous effort against opposition
"He struggled to get free from the rope."
verb: climb awkwardly, as if by scrambling
verb: make a strenuous or labored effort
"She struggled for years to survive without welfare."