The confidential memo was accidentally sent to all of the members of the school board which word closet in meaning to confidential

The word that is closest in meaning to "confidential" in this context is likely "private" or "classified".

A word that is similar in meaning to "confidential" is "classified". This term is often used to describe information that is meant to be kept secret or restricted to a select group of people.

To find a word that is closest in meaning to "confidential," we can start by understanding what the word signifies. "Confidential" generally refers to information that is private, secret, or intended to be kept confidential.

To find a similar word, we can utilize a thesaurus, a tool that provides synonyms and antonyms for words. There are both online and offline versions available. One popular online thesaurus is Thesaurus.com.

To use Thesaurus.com, follow these steps:

1. Go to Thesaurus.com in your web browser.
2. In the search bar, type "confidential" and press Enter or click the search icon.
3. You will see a list of synonyms and related words. Look through the results for a word that best captures the meaning of "confidential." For example, you might find words like "private," "secret," "classified," or "privileged."
4. Click on any word that you believe is closest in meaning to "confidential" to see more synonyms and related words if necessary.

By using a thesaurus, you can explore different words that convey similar meanings to "confidential." Remember, though, that the closest word will depend on the specific context in which it is being used.