adjective
lissome
LISS-um/ˈlɪsəm/
Slender, flexible, and graceful in movement.
The lissome dancer glides across the stage with effortless grace.

Etymology
Lithe supplies the idea of flexibility, while -some turns it into a characteristic quality. Lissome applies that suppleness to a person's build or graceful movement.
In context
The slim lines of her figure had the lissome development of a girl who spent her days out of doors.
More examples
- Her lissome frame bends easily into the yoga pose.
- A lissome cat slips between the rails and leaps down.
- The sketch captures the swimmer's lissome body in midstroke.
Forms
lissome