The most common and most likely answer to this crossword clue is the 8 letter word DIVERTED
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Buddy explains!
The straight part
We know that "Amused" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case amused = diverted.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 DIVERTED mean?
DIVERTED verb- To turn aside from a course.
- To distract.
- To entertain or amuse (by diverting the attention)
- To turn aside; to digress.
- That has been subject to diversion