Crossword Genius

In a thin layer suitable for star-gazers? (5)

Ross

I believe the answer is:

filmy

I'm a little stuck... Click here to teach me more about this clue!

'in a thin layer suitable' is the definition.
I can't tell whether this defines the answer.

'star-gazers?' is the wordplay.
'star' becomes 'film star' (film star is a kind of star).
'gazers?' becomes 'y' (I am not sure about this - if you are sure you should believe this answer much more).
'film'+'y'='FILMY'

'for' is the link.

Can you help me to learn more?

(Another definition for filmy that I've seen is " Clouded".)

I've seen this clue in The Irish Independent.
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