† feeˈbilityObs.rare. In 5 febylyte, febylte. [f. feeble a.; see -bility, -ity.] = feebleness. 1413Lydg.Pilgr. Sowle ii. lii. (1859) 54 By their owne flesshely febylyte.c1450J. Capgrave St. Kath. (E.E.T.S.) 180/166 Þat god hymself no þing wrothe schuld be..wyth þi febylte.