Tortuousnesses is a complex word that refers to something that is full of twists, turns, and curves. It can describe a literal path or road, but it can also be used to describe a complicated or convoluted process or situation. Synonyms for tortuousnesses could include words like complexity, intricacy, convolution, convolution, or labyrinthine. Other words that might be used to describe something that is tortuous could include serpentine, winding, meandering, or circuitous. Regardless of the specific word used, the implication is that whatever is being described is difficult to navigate and requires a great deal of care and attention to fully understand.