Crossword Genius

Spray a wild rose and look up (7)

Ross

I believe the answer is:

aerosol

'spray' is the definition.
(thesaurus)

'a wild rose and look up' is the wordplay.
'wild' is an anagram indicator.
'and' is a charade indicator (letters next to each other).
'look' becomes 'lo'.
'up' says the letters should be written backwards (in down clue: letters go upwards).
'lo' backwards is 'ol'.
'rose' is an anagram of 'eros'.
'a'+'eros'+'ol'='AEROSOL'

(Other definitions for aerosol that I've seen before include "O so real (anag.)" , "Sprayer" , "Spray producer" , "It dispenses liquid in a fine spray" , "What makes mist" .)

I've seen this clue in The Telegraph.
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