Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class I. Words Expressing Abstract RelationsSection III. Quantity
3. Conjunctive Quantity
42. [Freedom from Mixture.] Simpleness.
NOUN:SIMPLENESS &c. adj.; purity, homogeneity.ELIMINATION; sifting &c. v.; purification (cleanness) [See Cleanness].
VERB:RENDER SIMPLE &c. adj.; simplify.
SIFT, winnow, bolt, eliminate; exclude, get rid of; clear; purify (clean) [See Cleanness]; disentangle &c. (disjoin [See Disjunction]).
ADJECTIVE:SIMPLE, uniform, of a piece, homogeneous, Attic, homespun, single, pure, clear, sheer, neat.
UNMIXED, unmingled, unblended, uncombined, uncompounded; elemental, elementary, undecomposed; unadulterated, unsophisticated, unalloyed, untinged, unfortified; pur et simple [F.]; incomplex, incomposite [rare].
free from, exempt from; exclusive.
ADVERB:SIMPLY &c. adj.; only.