a. Obs. [f. WITHER sb.1 + -FUL.] a. Hostile; wicked, evil. b. Bold, valiant. Hence † Witherfulness, wickedness.
c. 1200. Trin. Coll. Hom., 51. Hise wiðerfulle hine, þo þen deules on helle. Ibid., 63. Dissoluere colligaciones impietatis þat unbindeð þe bendes of wiðerfulnesse.
c. 1205. Lay., 21520. To þan scipen wenden wiðer-fulle cheorles. Ibid., 25264. Arður his writ nom an honden mid wiðer-fulle worden.