An example of feedback is a judge in a dance competition giving constructive criticism after a performance.
An example of feedback is a high pitched noise that is returned from a speaker when a microphone gets too close to it.
Asked the students for feedback on the new curriculum.
The show ended with a riot of feedbacking guitars.
Customers feedbacked their complaints and some praise.
After you hand in your essays, I will give both grades and feedback.
His employees feedbacked him a lot more than he wanted.