Success/səkˈses/ Definition 1 of 4Pro Tip 1/2Goal Oriented Use 'success' to highlight the completion of goals, not just the attempt or effort. Her study plan was a success; she passed all her exams. Pro Tip 2/2Measurable Achievements 'Success' often implies a measurable or visible outcome from someone's actions. Winning the science fair was a huge success for him.