Question

prefix noun
a part of a word placed at the front of a word to
create new meaning.
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use this word in a sentence or give an
example to show you understand its meaning
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Explanation:

To show understanding of "prefix", we can use an example. The prefix "un - " (a common prefix) can be added to the word "happy" to form "unhappy", where "un - " changes the meaning of "happy" to its opposite. Or a sentence: "The prefix 'pre - ' in 'preview' means 'before', so 'preview' is to view something before the main event."

Answer:

Example: The prefix "re - " in "rewrite" means to write again, so we use "re - " to create a new meaning related to doing the action of writing once more. (Or Sentence: When we add the prefix "dis - " to "agree", we get "disagree", which has the opposite meaning of "agree".)