A step or degree in any series, rank, quality, order; relative position or standing; as, grades of military rank; crimes of every grade; grades of flour.
- A stage or degree in a process.
- A position in a scale of size, quality, or intensity: a poor grade of lumber.
- An accepted level or standard.
- A set of persons or things all falling in the same specified limits; a class.
- A level of academic development in an elementary, middle, or secondary school: learned fractions in the fourth grade.
- A group of students at such a level: The third grade has recess at 10:30.
- Elementary school.
- A number, letter, or symbol indicating a student's level of accomplishment: a passing grade in history.
- A military, naval, or civil service rank.
- The degree of inclination of a slope, road, or other surface: the steep grade of the mountain road.
- A slope or gradual inclination, especially of a road or railroad track: slowed the truck when he approached the grade.
- The level at which the ground surface meets the foundation of a building.
- A domestic animal produced by crossbreeding one of purebred stock with one of ordinary stock.
- Linguistics A degree of ablaut.
- To arrange in steps or degrees.
- To arrange in a series or according to a scale.
- To determine the quality of (academic work, for example); evaluate: graded the book reports.
- To give a grade to (a student, for example).
- To level or smooth to a desired or horizontal gradient: bulldozers graded the road.
- To gradate.
- To improve the quality of (livestock) by crossbreeding with purebred stock.
- To hold a certain rank or position.
- To change or progress gradually: piles of gravel that grade from coarse to fine.