- grade [grād]n.[Fr < L gradus, a step, degree, rank < gradi, to step, walk < IE base * ghredh-, to stride > Goth griths, step]1. any of the stages in an orderly, systematic progression; step; degree2.a) a degree or rating in a scale classifying according to quality, rank, worth, intensity, etc.: often in hyphenated compounds [grade A eggs, weapons-grade plutonium]b) any of the official ranks or ratings of officers or enlisted men [an army colonel and a navy captain are in grade O-6]c) an accepted standard or level [up to grade]d) a group of people of the same rank, merit, worth, etc.☆ 3.a) the degree of rise or descent of a sloping surface, as of a highway, railroad, etc.b) such a sloping surface4. the ground level around a building5.☆ a) any of the divisions in a school curriculum usually equal to one year; most systems in the U.S. include twelve grades after the kindergartenb) a group of pupils forming such a division in a school☆ 6. a mark or rating on an examination, in a school course, etc.☆ 7. Animal Husbandry an animal with one parent of pure breed8. Linguis. any of the various forms in which a vowel may appear in grammatically or etymologically related forms as a result of gradationvt.graded, grading1. to arrange or classify by grades; rate according to quality, rank, worth, etc.; sort2. to give a GRADE (sense 6) to3. to gradate☆ 4. to level or slope (ground, a road, etc.) evenly☆ 5. Animal Husbandry to improve by crossing with a pure breed: often with upvi.1. to assume an indicated rank or position in a series; be of a certain grade2. to change gradually; go through a series of stages——————☆ at gradeon the same level——————☆ make the grade1. to get to the top of a steep incline2. to overcome obstacles and succeed——————☆ the gradeselementary school
English World dictionary. V. Neufeldt. 2014.