Is unfriendly a prefix or suffix?

"Unfriendly" is not a prefix or a suffix. It's a complete word, an adjective meaning "not friendly."

Here's why:

* Prefixes are added to the beginning of a word to change its meaning (e.g., "un-" in unfriendly).

* Suffixes are added to the end of a word to change its meaning or grammatical function (e.g., "-ness" in "friendliness").

In the case of "unfriendly," the word "un" acts as a prefix, but "friendly" is a separate word on its own, meaning "showing kindness and consideration."

Therefore, "unfriendly" is a complete word formed by combining a prefix and a base word.