Dictionary.com defines it as
“the favorable or prosperous termination of attempts or endeavors.”
If we had a marathon race, the definitions of success would differ.
As a marathon runner, would define success as completing a marathon in under 2 hours and 10 minutes. While the average joe running the same marathon would say they’re successful at just completing the marathon, with a time of 4-5 hours or maybe no time at all, (i.e. just finishing the marathon).
As you can see in this example, success generally means something different to each and every one of us. It through this understanding that the definition of success does differ from person to person and that it is defined in your own terms that one can know if one is truly ‘successful’.