The most common and most likely answer to this crossword clue is the 8 letter word SERAPHIM
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More clues leading to the result SERAPHIM
- Outside right, cunningly, apes the fellow top wingers
- Prunes served up, that man in high spirits
- Film oddly ignored pursuing charge admitted by London area leader of Hell’s Angels
- New Hampshire banishing leader of Hell’s Angels
- Angels start to spend time with that man keeping quiet
- Angels somehow spare that man
- Angels in a remarkable way selflessly praise Him
- Around start of holidays imps are transformed into perfect angels
- Female horses going west carry a Greek character and some celestial beings
- Divine entities miraculously spare the lad
Buddy explains!

The straight part
We know that "perfect angels" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case perfect angels = seraphim.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 SERAPHIM mean?
SERAPHIM noun- A six-winged angel; the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. They are the 5th highest order of angels in Jewish angelology. A detailed description can be found at the beginning of Isaiah chapter 6