/ Dictionary / Index A alterable: Meaning and Definition of Find definitions for: al•ter•a•ble Pronunciation: (ôl'tur-u-bul), [key] — adj. capable of being altered. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alterable (Thesaurus) alter alterant Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language