<p><strong>Noun</strong></p><ul><li>the state, quality, or an instance of being simple.</li><li>freedom from complexity, intricacy, or division into parts; an organism of great simplicity.</li><li>absence of luxury, pretentiousness, ornament, etc.; plainness; a life of simplicity.</li><li>freedom from deceit or guile; sincerity; artlessness; naturalness; a simplicity of manner.</li><li>lack of mental acuteness or shrewdness; politics is not a field for simplicity about human nature.</li></ul><p><strong>Synonyms</strong></p><ul><li>directness, honesty, candor.</li></ul>