regrade verb 4noun 1forms 3 verb4 •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. — 1951 •(US) To change the classification of (potentially secret documentation). •To regroup or reassign. •(no longer used) To retire or recede. noun1 •The act or process of grading again.There are no regrades in this class: your mark is final. formsregraded · regrading · regrades