Crossword Genius

Dialect needing good English at all costs? (7)

Ross

I believe the answer is:

geordie

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'dialect' is the definition.
(I've seen this before)

'good english at all costs?' is the wordplay.
'good' becomes 'g' (abbreviation).
'english' becomes 'E' (abbreviation as in OED).
'at' is a charade indicator (letters next to each other).
'all costs?' becomes 'ordie' (I can't explain this - if you can you should believe this answer much more).
'g'+'e'+'ordie'='GEORDIE'

'needing' is the link.

Can you help me to learn more?

(Other definitions for geordie that I've seen before include "Northern chap" , "Newcastle dialect" , "Tynesider" , "Native of Tyneside" , "Person from Tyneside" .)

I've seen this clue in The Sun and The Telegraph.
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