Tortuous (adjective)

Having many twists and turns; winding, twisting or full of turns.

Origin:

From the latin word "tortuosus" meaning twisting, winding, or full of turns.

Examples:

1. The road ahead was tortuous and difficult to navigate.
2. The negotiations were tortuous and took several months to complete.
3. The river wound through a tortuous valley.
4. The legal process was tortuous and complicated.
5. His path to success was long and tortuous.