Definition of struggle

• an energetic attempt to achieve something; "getting through the crowd was a real struggle"; "he fought a battle for recognition"
• an open clash between two opposing groups (or individuals); "the harder the conflict the more glorious the triumph"--Thomas Paine; "police tried to control the battle between the pro- and anti-abortion mobs"
• strenuous effort; "the struggle to get through the crowd exhausted her"