/ Dictionary / Index B besides: Meaning and Definition of Find definitions for: be•sides Pronunciation: (bi-sīdz'), [key] — adv. moreover; furthermore; also: Besides, I promised her we would come. in addition: There are three elm trees and two maples besides. otherwise; else: They had a roof over their heads but not much besides. —prep. over and above; in addition to: Besides a mother he has a sister to support. other than; except: There's no one here besides Bill and me. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: besides (Thesaurus) beside besiege Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language