[f. as prec. + -ING2.] That besets; esp. in the expression besetting sin, and the like, in allusion to Heb. xii. 1.
1795. Southey, Joan of Arc, II. 69. Retaining still their old besetting sin.
1860. Trench, Serm. Westm. Ab., xiii. 144. We have every one of us besetting sins sins, that is, which more easily get advantage over us than others.
1868. M. Pattison, Academ. Org., § 5. 210. The besetting danger of endowmentsmental stagnation and apathy.