Definition of grade verb from the Oxford Advanced Learner's Dictionary

        

    grade

     verb
    verb
    BrE BrE//ɡreɪd//
     
    ; NAmE NAmE//ɡreɪd//
     
    Verb Forms present simple I / you / we / they grade
    BrE BrE//ɡreɪd//
     
    ; NAmE NAmE//ɡreɪd//
     
    he / she / it grades
    BrE BrE//ɡreɪdz//
     
    ; NAmE NAmE//ɡreɪdz//
     
    past simple graded
    BrE BrE//ˈɡreɪdɪd//
     
    ; NAmE NAmE//ˈɡreɪdɪd//
     
    past participle graded
    BrE BrE//ˈɡreɪdɪd//
     
    ; NAmE NAmE//ˈɡreɪdɪd//
     
    -ing form grading
    BrE BrE//ˈɡreɪdɪŋ//
     
    ; NAmE NAmE//ˈɡreɪdɪŋ//
     
    Exams and assessment, School life
     
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  1. 1  [often passive] to arrange people or things in groups according to their ability, quality, size, etc. grade something/somebody (by/according to something) The containers are graded according to size. grade something/somebody from… to… Eggs are graded from small to extra large. Responses were graded from 1 (very satisfied) to 5 (not at all satisfied). grade something (as) something Ten beaches were graded as acceptable.
  2. 2  (especially North American English) to give a mark/grade to a student or to a piece of their written work grade somebody/something I spent all weekend grading papers. grade somebody/something + noun The best students are graded A. compare mark See related entries: Exams and assessment, School life
  3. Word Origin early 16th cent.: from French, or from Latin gradus ‘step’. Originally used as a unit of measurement of angles (a degree of arc), the term later referred to degrees of merit or quality.Extra examples I don’t think he graded our essays fairly. The containers are graded by size. The timber is graded according to its thickness. a series of modern stories carefully graded for beginner to intermediate students finely graded nuances of language She spent the weekend grading papers. The attacks were graded as mild, moderate or severe. The gems are then graded by quality. The grammar exercises are graded for difficulty. There is some concern that grading is not always fair. Who grades the students?
See the Oxford Advanced American Dictionary entry: grade