The most common and most likely answer to this crossword clue is the 8 letter word WHATEVER
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More clues leading to the result WHATEVER
Buddy explains!

The straight part
We know that "anything" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case anything = whatever.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WHATEVER mean?
WHATEVER adjective- Unexceptional or unimportant; blah.
- At all, absolutely, whatsoever.
- No matter what; for any
- (relative) Anything; sometimes used to indicate that the speaker does not care about options.
- (dismissive) A holophrastic expression used discourteously to indicate that the speaker does not consider the matter worthy of further discussion.