/ Dictionary / Index S shelf life: Meaning and Definition of Find definitions for: shelf' life" Pronunciation: [key] the term or period during which a stored commodity remains effective, useful, or suitable for consumption:Also called Many medicines have a very short shelf life. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. shelf ice shelflist Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language