/ Dictionary / Index I imperishable: Meaning and Definition of Find definitions for: im•per•ish•a•ble Pronunciation: (im-per'i-shu-bul), [key] — adj. not subject to decay; indestructible; enduring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: imperishable (Thesaurus) imperious imperium Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language