/ Dictionary / Index S second best: Meaning and Definition of Find definitions for: sec'ond best' Pronunciation: [key] the next to the best in performance, achievement, craftsmanship, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. second baseman Second Birth Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language