svelte

adjective

1. 1

   being of delicate or slender build

   she was slender as a willow shoot is slender"- Frank Norris

   a slim girl with straight blonde hair

2. 2

   moving and bending with ease

3. 3

   showing a high degree of refinement and the assurance that comes from wide social experience

   his polished manner

   maintained an urbane tone in his letters