† ˈcostnungObs. [OE., f.costnian=costian to tempt: see costen v.1] Temptation. c1000Ags. Gosp., Matt. vi. 13 Ne ᵹelæd þu us on costnunge [Lindisf. in costunge].c1175Lamb. Hom. 67 Ne led us noht in to costnunga.a1200St. Neot in Anglia III. 108 His feondes ættriᵹe wæpnen ðæt sind costnungen.