/ Dictionary / Index G good-sized: Meaning and Definition of Find definitions for: good-sized Pronunciation: (good'sīzd'), [key] — adj. of ample or large size; rather large for its kind: a good-sized pumpkin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Good Shepherd good speed Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language