/ Dictionary / Index G good speed: Meaning and Definition of Find definitions for: good" speed' Pronunciation: [key] good luck; success: to wish someone good speed. Good•speed Pronunciation: (good'spēd"), [key] 1871–1962, U.S. Biblical scholar and translator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. good-sized goods train Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language