His dastardly crimes put him on the FBI's "Top Ten" list.
When it came to politics, he was a dastardly man who would lie about and smear his opponents without hesitation. Dastardly is an adjective.
the villain was dastardly in his evil deeds to capture the world
That dastardly pirate was the scourge of the seven seas.
Disloyal dastardly
use it by saying- how can you use the word ebullient in a sentence?
Can you use the word concluding in a sentence? Done.
How can you use the word infectious in a sentence
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.
A caret symbol (^) is commonly used to indicate that a word or phrase should be removed from a sentence.
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.