Ever (adverb)

1. At any time.
2. Used to emphasize the frequency or consistency of an action or event.
3. Used to ask if something has ever happened or been known to happen.
4. Used to indicate the maximum extent of something.
5. Used to indicate the extent of something up to the present time.

Origin:

Old english ǣfre, of germanic origin; related to dutch eeuwig and german ewig.

Examples:

1. I have ever seen that movie.
2. She has ever been to that place.
3. He has ever heard that song.
4. They have ever met that person.
5. We have ever experienced that feeling.