bedull,v.|bɪˈdʌl| [f. be- + dull v.] To make dull. Hence bedullingppl. a. a1617Hieron Wks. (1620) II. 380 Time..bedulleth the tendernes of his [man's] conscience.1836Blackw. Mag. XL. 724 A mist bedulls mine eyes.1656Trapp Comm. 1 Thess. v. 17 A lazy, customary, bedulling strain.