The gentleman adjusted his waistcoat.
This waistcoat is too tight.
Here are some sentences.
His waistcoat matched his jacket.
She gave him a new waistcoat for his birthday.
He was wearing a waistcoat at the party.
The worker came to work wearing a waistcoat.
The word waistcoat describes a certain type of coat, not a jacket.
Another name for a waistcoat is a petticoat.
vest
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.