When it came to politics, he was a dastardly man who would lie about and smear his opponents without hesitation. Dastardly is an adjective.
His dastardly crimes put him on the FBI's "Top Ten" list.
the villain was dastardly in his evil deeds to capture the world
That dastardly pirate was the scourge of the seven seas.
Disloyal dastardly
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
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?
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.
use the word puzzlement in a sentence