- The definition of stepped up is something that has been increased or is more intense.
An example of stepped up is when someone increased his efforts to pass a test.
- Stepped up is defined as took responsibility or did what was right.
An example of stepped up is when a company admitted that the product it made wasn't safe, voluntarily recalled it and compensated everyone for what had happened.
stepped-up definition by Webster's New World
stepped-up definition by American Heritage Dictionary