/ Dictionary / Index S stackable: Meaning and Definition of Find definitions for: stack•a•ble Pronunciation: (stak'u-bul), [key] — adj. capable of being stacked, esp. easily: stackable chairs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stack stacked Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language