a. Obs. [UN-1 7.] Unbelieving.
c. 1375. Sc. Leg. Saints, v. (John), 360. Sancte Iohne tuk of þan his kirtill, and to þe vntreufull gawe it till. Ibid., xiii. (Mark), 35.
c. 1380. Wyclif, Sel. Wks., II. 204. O kynrede untroweful, how longe shal I be wiþ ȝou!