A*void"less, a. Unavoidable; inevitable. Av`oir*du*pois" (v`r*d*poiz"), n. & a. [OE. aver de peis, goods of weight, where peis is fr. OF. peis weight, F. poids, L. pensum. See Aver, n., and Poise, n.] 1. Goods sold by weight. [Obs.]