The most common and most likely answer to this crossword clue is the 5 letter word GLITZ
I've seen this crossword clue in The Guardian
G
L
I
T
Z
More clues leading to the result GLITZ
Buddy explains!
The straight part
We know that "Glamour" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case glamour = glitz.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 GLITZ mean?
GLITZ noun- Garish, brilliant showiness.