The U.S. Marine Corps' obstacle course is touted as being quite tortuous.
My dental exam was so tortuous that I actually had muscle cramps afterward.
The tortuous climb wore me out.
The climb up the mountain was tortuous and brutal.
The word is spelled tortious. It refers to acts that fall under tort law. In a sentence... Principals are liable for the tortious acts of their agents.
severe
The noun form for the adjective tortuous is tortuousness. Another noun form is torture.
tortuous
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
Since that is not a word I would not attempt to use it in a sentence.
You just did use the word colonize in a sentence.