AskDefine | Define grade

Dictionary Definition



1 a body of students who are taught together; "early morning classes are always sleepy" [syn: class, form]
2 a relative position or degree of value in a graded group; "lumber of the highest grade" [syn: level, tier]
3 the gradient of a slope or road or other surface; "the road had a steep grade"
4 one-hundredth of a right angle [syn: grad]
5 a degree of ablaut [syn: gradation]
6 a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?" [syn: mark, score]
7 the height of the ground on which something stands; "the base of the tower was below grade" [syn: ground level]
8 a position on a scale of intensity or amount or quality; "a moderate degree of intelligence"; "a high level of care is required"; "it is all a matter of degree" [syn: degree, level]
9 a variety of cattle produced by crossbreeding with a superior breed


1 assign a rank or rating to; "how would you rank these students?"; "The restaurant is rated highly in the food guide" [syn: rate, rank, range, order, place]
2 level to the right gradient
3 assign a grade or rank to, according to one's evaluation; "grade tests"; "score the SAT essays"; "mark homework" [syn: score, mark]
4 determine the grade of or assign a grade to

User Contributed Dictionary




  1. A rating.
    I gave him a good grade for effort.
  2. A degree or level of something; a position within a scale; a degree of quality.
    This fine-grade coin from 1837 is worth a good amount.
  3. A slope (up or down) of a roadway or other passage
    The grade of this hill is more than 5 percent
  4. A level of pre-collegiate education
    Clancy is entering the fifth grade this year.
  5. An area that has been graded by a grader (construction machine)
  6. The level of the ground.
    This material absorbs moisture and is probably not a good choice for use below grade.''




  1. To score an academic test.
  2. To assign a score to overall academic performance.
  3. To flatten and even out or smooth a large surface.

Extensive Definition

Grade may refer to:

In education

  • Grade level, the numbering of the year a student has reached in school.

In civil engineering

  • Grade (slope), the pitch of a slope such as a hill, road or railway
  • Grading, the preparation and levelling of land for construction, especially of roads and railways
  • Grade separation, aligning a junction of two or more transport axes at different heights to facilitate traffic flow.

In pure mathematics

In measurement and quality assessment and control

  • Grade (angle), a unit for the measurement of plane angle's
  • Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore
  • Grades, the property class of nuts and bolts in terms of size and strength
  • Cetane rating, a measure of diesel fuel's combustion quality
  • Octane rating, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines
  • Grading (tumors), a measure of the aggressiveness of a tumor in medicine
  • Grade (climbing), a climber's assessment of the difficulty and danger of climbing a hill
  • Grade (bouldering), a climber's assessment of the difficulty and danger of climbing a route which are distinct from those used in regular climbing
  • Grade (rivers), a standardized scale used to rate the safety of a stretch of river, or a single rapid.
  • Grade of service, the quality of voice service in telecommunications
  • Coin grading, the process of determining the grade or condition of a coin, the key factor in its value
  • Color grading, the process of altering and enhancing the color of a motion picture or television image
  • Pattern grading, the scaling of a pattern to a different size in the clothing or footwear industry

In the sense of rank or status


Other uses

See also

grade in Bulgarian: Град (пояснение)
grade in German: Grade
grade in French: Grade
grade in Dutch: Grade
grade in Russian: Град (значения)
grade in Ukrainian: Град (значення)

Synonyms, Antonyms and Related Words

acclivity, adjust, align, alphabetize, amount, analyze, arrange, array, ascend, ascent, assort, bank, bevel, bezel, blood, bolt, bracket, branch, break down, bulk, caliber, calibrate, calibrated, cant, careen, caste, catalog, categorize, category, chute, clan, class, classify, climb, codify, collate, compass, condition, cool off, correct, cut, cut it, dab, decline, declivity, decrease, degree, deploy, descend, descent, differentiate, digest, dip, dispose, divide, division, downgrade, drag, dress, drop, dub, easy slope, echelon, enlarge, equalize, estate, evaluate, even, extent, fall, fall away, fall off, fell, file, flatten, fleam, flush, form, gauge, gentle slope, glacis, go downhill, go uphill, gradate, gradation, gradational, gradient, gradual, graduate, graduated, grease, group, grouping, hack it, hanging gardens, harmonize, harrow, head, heading, height, helicline, hierarchic, hierarchize, hill, hillside, inclination, incline, inclined plane, increase, index, interval, keel, kin, label, launching ramp, lay, lay down, lay flat, lay level, lay low, lay out, league, lean, leaning, leap, level, line up, list, lubricate, make it, make the grade, mark, marshal, match, measure, measure up, methodize, mow, normalize, notch, nuance, oil, order, organize, pacify, pas, pass, peg, period, pigeonhole, pitch, place, plane, planish, plaster, plateau, point, position, predicament, progressive, proportion, qualify, quiet, race, rake, ramp, range, rank, rase, rate, rating, ratio, raze, reach, regular, regularize, regulate, remove, retreat, riddle, rise, roll, roll flat, round, routinize, rubric, rung, scalar, scale, scarp, scope, score, screen, section, separate, sept, set, set up, shade, shade off, shadow, shave, shelve, shelving beach, side, sidle, sieve, sift, situation, size, slant, slope, smooth, smooth down, smooth out, smoothen, sort, sort out, space, stage, stair, standard, standardize, standing, state, station, status, steamroll, steamroller, steep slope, step, stiff climb, stint, strain, stratum, structure, subdivide, subdivision, subgroup, suborder, subordinate, succeed, swag, sway, systematize, tabulate, talus, tier, tilt, tip, title, track, tranquilize, tread, type, upgrade, uprise, year
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