regrade

verb

1. (transitive)To grade again, give a new grade or grading to.

   “Before the new station could be built, a private overbridge had to be raised, and the railway regraded.”

   “Two other landslips took place in a cutting where the sides were built too steeply to withstand wet weather. Engineers regraded the slope to make them shallower.”

2. (transitive)To regroup or reassign.
3. (US, transitive)To change the classification of (potentially secret documentation).
4. (obsolete)To retire or recede.

noun

1. The act or process of grading again.

   “There are no regrades in this class: your mark is final.”