Sinuous (adjective)

1. Having many curves and turns; winding.
2. Smoothly curved and flowing in and out; undulating.

Origin:

From latin sinuōsus ("full of bends, winding"), from sinus ("a bend, fold, curve, bay").

Examples:

1. The sinuous road twisted and turned through the mountains.
2. She walked with a sinuous grace.
3. The river's sinuous course wound its way through the valley.
4. The serpent's sinuous body slithered through the grass.
5. The dancer's sinuous movements mesmerized the audience.