1. (n.) The quality or state of being simple, unmixed, or uncompounded; as, the simplicity of metals or of earths.

2. (n.) The quality or state of being not complex, or of consisting of few parts; as, the simplicity of a machine.

3. (n.) Artlessness of mind; freedom from cunning or duplicity; lack of acuteness and sagacity.

4. (n.) Freedom from artificial ornament, pretentious style, or luxury; plainness; as, simplicity of dress, of style, or of language; simplicity of diet; simplicity of life.

5. (n.) Freedom from subtlety or abstruseness; clearness; as, the simplicity of a doctrine; the simplicity of an explanation or a demonstration.

6. (n.) Weakness of intellect; silliness; folly.

Attic simplicity Atticism Bohemianism abatement abridgment affability agnosticism agrarianism alleviation amentia appropriateness arrested development artlessness asceticism attenuation austereness austerity backwardness baldness bareness blankmindedness blithering idiocy bluffness bluntness boorishness brainlessness bucolicism callowness candor casualness chasteness chastity childlikeness churlishness clarity classical purity classicalism classicism cleanness clear coast clear road clear-cutness clearness cloddishness coherence combination comeliness common speech common touch commonness commonplaceness comprehensibility connectedness consistency contraction cordiality correctness cretinism crystallinity cullibility dampening damping deceivability decipherability decrease decrement decrescence deduction definition deflation depreciation depression dignity diminishment diminution directness discrimination distinction distinctness dull-wittedness dullness dupability dying dying off ease easiness easy going easygoingness effortlessness elegance elegancy empty-headedness explicitness extenuation facileness facility fade-out familiarity felicitousness felicity finish fittingness flow flowing periods fluency folksiness forthrightness frankness freedom fusion good taste grace gracefulness gracility graciousness greenhornism greenness guilelessness gullibility half-wittedness hiatus of learning highroad hoaxability homeliness homespun homeyness household words identity idiocy idiotism ignorance ignorantism ignorantness imbecility inanity individuality indivisibility inelegance inexperience infantilism informality informalness ingenuousness innocence insanity intactness integrality integration integrity intelligibility inurbanity inviolability irreducibility irregularity know-nothingism knowledge-gap lack of hindrance lack of information languishment leanness lessening letup limpidity looseness lowering lucidity matter-of-factness mental defectiveness mental deficiency mental handicap mental retardation miniaturization mitigation modesty mongolianism mongolism mongoloid idiocy moronism moronity naiveness naivete naivety naturalness neatness nescience oafishness obscurantism obtuseness offhandedness oneness openheartedness openness ordinariness organic unity outspokenness particularity pastorality pellucidity perspicuity persuadability plain English plain sailing plain speaking plain speech plain style plain words plainness plane sailing polish profound idiocy propriety prosaicness prosiness provincialism provinciality purity quietness rawness reduction refinement relaxation relaxedness restrainedness restraint retardation retardment royal road ruralism rustic style rusticity sagging scaling down seduceability seemliness selfsameness severity simple-wittedness simpleheartedness simplemindedness simpleness sincerity single-heartedness single-mindedness singleness singleness of heart singularity smooth road smooth sailing smoothness soberness sociability softness solidarity solidification