/ Dictionary / Index G grammaticality: Meaning and Definition of Find definitions for: gram•mat•i•cal•i•ty Pronunciation: (gru-mat"i-kal'i-tē), [key] — n. the state or quality of being grammatical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grammatical gender grammaticalize Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language