Inflected forms: pl. sim·plic·i·ties 1. The property, condition, or quality of being simple or uncombined. 2. Absence of luxury or showiness; plainness. 3. Absence of affectation or pretense. 4a. Lack of sophistication or subtlety; naiveté. b. Lack of good sense or intelligence; foolishness. 5a. Clarity of expression. b. Austerity in embellishment.
ETYMOLOGY:
Middle English simplicite, from Old French, from Latin simplicits, from simplex, simplic-, simple. See sem-1 in Appendix I.