Definition:
Exploratory Testing is one of the ways to test the application by exploring it. We can say that in exploratory testing, test planning, analysis, design and test execution, are all done together and instantly. Exploratory Testing Triggers the thought process and helps to just explore and test the application without following any rules.
Further Reading:
- Exploratory Software Testing: Tips, Tricks, Tours, and Techniques to Guide Test Design book by James A. Whittaker