Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

849. Simplicity — N. simplicity; plainness, homeliness; undress,

chastity. V. be simple &c adj.. render simple &c adj.; simplify, uncomplicate. Adj. simple, plain; homely, homespun; ordinary, household. unaffected; ingenuous, sincere (artless) 703; free from affectation, free from ornament; simplex munditiis [Lat.] [Horace]; sans facon [Fr.], en deshabille [Fr.]. chaste, inornate†, severe. unadorned, bare, unornamented, undecked†, ungarnished, unarranged†, untrimmed, unvarnished. bald, flat, dull. Phr. veritatis simplex oratio est [Lat.].