/ Dictionary / Index G gradeability: Meaning and Definition of Find definitions for: grade•a•bil•i•ty Pronunciation: (grā"du-bil'i-tē), [key] — n. Transp. gradability. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grade grade crossing Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language