Definition of on the edge of one's seat
- It's a thrilling movie that keeps audiences on the edge of their seats.
: the cutting side of a blade
: the sharpness of a blade
: force, effectiveness
: to give an edge to
: to be on an edge of
: to move or force gradually
What made you want to look up on the edge of one's seat? Please tell us where you read or heard it (including the quote, if possible).