səkˈsɛs ˈwɪnə ˈwɪnɚ an attainment that is successful his success in the marathon was unexpected his new play was a great success an event that accomplishes its intended purpose let's call heads a success and tails a failure the election was a remarkable success for the Whigs a person with a record of successes his son would never be the achiever that his father was only winners need apply if you want to be a success, you have to dress like a success a state of prosperity or fame he is enjoying great success he does not consider wealth synonymous with success