/ Dictionary / Index G grammaticism: Meaning and Definition of Find definitions for: gram•mat•i•cism Pronunciation: (gru-mat'u-siz"um), [key] — n. Rare. a point or principle of grammar. a grammatical definition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grammatical meaning grammatology Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language