Home Dee Dee Word of the Day – Apr. 4 – Sylph Dee Dee Word of the Day – Apr. 4 – Sylph By Staff mB - April 4, 2012 710 Noun: Sylph (SILF) Definition: 1. An elemental being in the theory of Paracelsus that inhabits air. 2. A slender graceful woman or girl. Sample sentence: The dancer was a lovely, elegant sylph upon the stage.