arrah,int.|ˈærə|[Irish. (Farquhar was of Irish birth.)]An expletive expressing emotion or excitement, common in Anglo-Irish speech.1705FarquharTwin Rivals iii. ii,Arah, you Fool, ish it not the saam ting?1707―Beaux Strat. v. ii,Arra Honeys, a clear Caase.1753SmollettCt.Fathom (1784) 119Upon which he bade me turn out. ‘Arra, for what?’ said I.1820Combe (Dr. Syntax)Consol.ii. 157Arrah, my Dears, it does confound me.