\There`with*al"\, adv. 1. Over and above; besides; moreover. [Obs.] --Daniel. And therewithal it was full poor and bad. --Chaucer. 2. With that or this; therewith; at the same time. Thy slanders I forgive; and therewithal Remit thy other forfeits. --Shak. And therewithal one came and seized on her, And Enid started waking. --Tennyson.