Breadcrumb Home > Dictionary > Index B basad: Meaning and Definition of Find definitions for: ba•sad Pronunciation: (bā'sad), [key] — adv. toward the base. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B.A.S. basal ✖ Related Content Daily Word Quiz: criticaster Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language