I had my answer featured in this article: How do you define Success.
I write:
Instead of striving for perfection, which is often unattainable, it is important to focus on making progress toward your goals. This means setting attainable objectives and consistently working toward them, even if you encounter setbacks along the way. It is better to celebrate small wins and progress along the way, rather than getting discouraged by the pursuit of an unrealistic ideal. By focusing on progress, you can build momentum and confidence, and eventually achieve the success that you desire.
Andy Ide
So have a read of the article. And tell me – how do you define success?