begad,int. Not in polite use.|bɪˈgæd| [Altered form of by God; cf.bedad, begar.] An exclamation, used to give weight to a statement. 1742Fielding J. Andrews (L.) ‘Begad, madam’ answered he, ‘tis the very same I met.’1848Thackeray Van. Fair II. iv. 39 Only one, begad, in the World.