lissom

from WordNet (r) 3.0 (2006)

lissom
    adj 1: moving and bending with ease [syn: {lissome}, {lissom},
           {lithe}, {lithesome}, {slender}, {supple}, {svelte},
           {sylphlike}]

from The Collaborative International Dictionary of English v.0.48

Lissom \Lis"som\, Lissome \Lis"some\ (l[i^]s"s[u^]m), a. [For
   lithesome.]
   1. Limber; supple; flexible; lithe; lithesome.
      [1913 Webster]

            Straight, but as lissome as a hazel wand.
                                                  --Tennyson.
      [1913 Webster]

   2. Light; nimble; active. --Halliwell. -- {Lis"some*ness}, n.
      [1913 Webster]