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
d. a group of people of the same rank, merit, worth, etc.
b. such a sloping surface
b. a group of pupils forming such a division in a school
6. Us a mark or rating on an examination, in a school course, etc.
7. Us, Animal
Husbandry an animal with one parent of pure breed
8. Linguistics any of the various forms in which a vowel may appear in grammatically or etymologically related forms as a result of gradation
verb transitiveWord forms: ˈgraded or ˈgrading
9. to arrange or classify by grades; rate according to quality, rank, worth, etc.; sort
11. to gradate
12. Us to level or slope (ground, a road, etc.) evenly
13. Us, Animal
Husbandry to improve by crossing with a pure breedoften with up
15. to change gradually; go through a series of stages
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'grade'Fr < L gradus, a step, degree, rank < gradi, to step, walk < IE base *ghredh-, to stride > Goth griths, step