/ Dictionary / Index S sizable: Meaning and Definition of Find definitions for: siz•a•ble Pronunciation: (sī'zu-bul), [key] — adj. of considerable size; fairly large: He inherited a sizable fortune. of convenient or suitable size. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sizable (Thesaurus) six-wheeler sizar 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