The difference between Sinuous and Winding

When used as adjectives, sinuous means having curves in alternate directions, whereas winding means twisting, turning or sinuous.

Winding is also noun with the meaning: something wound around something else.

check bellow for the other definitions of Sinuous and Winding

Sinuous as an adjective:

Having curves in alternate directions; meandering.

Examples:

"We followed every bend of the sinuous river."
Sinuous as an adjective:

Moving gracefully and in a supple manner.

Examples:

"We were entranced by her sinuous dance."
Sinuous as an adjective (figurative):

Morally crooked; shifty.

Winding as a noun:

Something wound around something else.
Winding as a noun:

The manner in which something is wound.
Winding as a noun:

One complete turn of something wound.
Winding as a noun (especially, plural):

Curving or bending movement, twists and turns.
Winding as a noun (electrical):

A length of wire wound around the core of an electrical transformer.
Winding as a noun (musical instruments, lutherie, bowmaking):

Lapping.

Winding as a noun:

The act or process of winding (turning a boat etc. around).