Simplify Sim"pli*fy, v. t. [imp. & p. p. Simplified; p. pr. & vb. n. Simplifying.] [Cf. F. simplifier, LL. simplificare. See Simple, and -fy.] To make simple; to make less complex; to make clear by giving the explanation for; to show an easier or shorter process for doing or making. The collection of duties is drawn to a point, and so far simplified. --A. Hamilton. It is important, in scientific pursuits, to be caitious in simplifying our deductions. --W. Nicholson.