Crossword Genius

Slogs wildly, but not without polish (5)

Ross

I believe the answer is:

gloss

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

'polish' is the definition.
(I know that polish can be written as gloss)

'slogs wildly but not without' is the wordplay.
'slogs' can be anagrammed to 'GLOSS'.
However, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for gloss that I've seen before include "High shine" , "Very shiny finish" , "phrase's explanation" , "marginal note" , "Superficial shine" .)

I've seen this clue in the Evening Standard.
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