/ Dictionary / Index G gnathonic: Meaning and Definition of Find definitions for: gna•thon•ic Pronunciation: (na-thon'ik), [key] — adj. sycophantic; fawning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gnathite -gnathous Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language