Definition of fails
a grade that is not high enough to pass an examination or test.
This is something I cannot avoid because German law does not allow me to give a pass or fail grade.
be unsuccessful in achieving one's goal.
The efforts failed due to unionist intransigence and nationalist boycott.
break down; cease to work well.
Before Gulbransen could feather the prop it too failed and continued to spin out of control.
neglect to do something.
They promised much in this campaign but in the end failed dismally to deliver.