The documents were confidential.
"It is confidential to give your verdict". "It is confidential to say your answer".
He was told that the information was confidential so he did not mention it to anyone else.
The word confidential is an adjective. The adverb form is confidentially.
When an envelope is marked, "confidential", we're not authorized to open it; give it directly to the manager.
I was not privy to the details of the confidential meeting.
My letter to you is confidential. Use it in reference to something that is secret or private. I want you to keep the letter in the strictest confidence.
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.