/ Dictionary / Index P perishing: Meaning and Definition of Find definitions for: per•ish•ing Pronunciation: (per'i-shing), [key] — adj. causing destruction, ruin, extreme discomfort, or death: lost in the perishing cold. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: perishing (Thesaurus) perishable perispore Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language